geological terms for land

The definitions found in this glossary are from, "The Federal Glossary of Selected Terms: Subsurface-Water Flow and Solute Transport": Department of Interior, U.S. Geological Survey, Office of Water Data Coordination, August 1989. 0000015461 00000 n Log in Sign up. Create. Created by. 0000015624 00000 n 2669 0 obj <>/Filter/FlateDecode/ID[<1BCD35E22740E142830E085B68164BAA>]/Index[2656 20]/Info 2655 0 R/Length 71/Prev 515897/Root 2657 0 R/Size 2676/Type/XRef/W[1 2 1]>>stream ?�� 0000016614 00000 n For a … 629-101 1.6 Geological Time In 1788, after many years of geological study, James Hutton, one of the great pioneers of geology, wrote the following about the age of Earth: The result, therefore, of our present enquiry is, that we find no vestige of a beginning — no prospect of an end. 0000004642 00000 n 0000010778 00000 n 0000003393 00000 n GLOSSARY OF GEOLOGICAL TERMS These terms relate to prospecting and exploration, to the regional geology of Newfoundland and Labrador, and to some of the geological environments and mineral occurrences preserved in the province. <<6B371F3DC817CC468159CA519D2A24D0>]>> You may come across some of these 0000003008 00000 n Glossary of Geological and other Scientific terms used in the Principles of Geology. Dictionary of geological terms. $ %PDF-1.4 %���� October 1995. 0000016064 00000 n Soils How is a volcano formed? 306 0 obj <> endobj 382 0 obj <>stream How do rocks form? 0000015514 00000 n 0000016394 00000 n Geographical terms such as acid rain, barometer, atmosphere, climate, and weather are used in our day-to-day lives for purposes such as academic projects or making travel plans. 0000016449 00000 n This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards. Learn with flashcards, games, and more — for free. The term Subapennine is applied geologically to a series of strata of the Older Pliocene period. Often occurs in the form of lave flows. 2675 0 obj <>stream (a) Reference Codes 629-1. STUDY. A 0000015143 00000 n 0000005064 00000 n 0000003131 00000 n Cenozoic Era, third of the major eras of Earth’s history, beginning about 66 million years ago and extending to the present. 0000016504 00000 n All of us, at some point of time, have studied geography. 0000014984 00000 n 0000016284 00000 n Landslide, the movement downslope of a mass of rock, debris, earth, or soil. h�b```��p>�c`f`�sL` @#��f��E�������*N���ذJimw�^�F%��@�B�8=��,s����r`Ϥs^�Uc&3�x��|��ȹ�D�ɲ��'�&P�ڽI}�a��zs&�:�M]b�a����x�Z�O���#��#hZׅ���vw��{�rz�qW#d+S~�������Rf_:���l��ɬ�e�rՃr�nn��er;s�e�-�V������sӂ��IVhq5-XatX��5G�� !ʦ����&qԱ��xi�XDp5��@u��AM�):�N`����� ��-�Ƭ��(�������,� � L �@HD�-H��$�,�TCDP�#���"� � `V�)@�KC�KH�`G��Q������l�G.�f`�5��@,N��|�!�6��n�K���νE[��'��l��4�`H*>��^e�%���i���vH�fb0 � h�bbd``b`1�@�Q č�� BD�s���"�@3��������=� Ft����? Doab – Land between two converging, or confluent, rivers; Doline – Depression or hole in the ground caused by collapse of the surface into an existing void space; Dome – geological deformation structure; Drainage basin – Area of land where precipitation collects and drains off into a common outlet Dictionary of Geological Terms - Only $19.99 All scientific disciplines have an essential vocabulary that students and professionals must understand to learn and communicate effectively. Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to shearing) of the materials that form the slope. 2656 0 obj <> endobj 0000001836 00000 n endstream endobj 2657 0 obj <>/Metadata 218 0 R/PageLayout/OneColumn/Pages 2633 0 R/StructTreeRoot 238 0 R/Type/Catalog>> endobj 2658 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 2659 0 obj <>stream A fossil, sediment, or rock that was formed or produced in the location where it is now found. 0000007326 00000 n startxref 0000007044 00000 n 0000003660 00000 n Some common rocks, textures and structural terms are also defined. 0000008032 00000 n anticline - A fold of rock layers with a convex shape pointing upwards. Opposite of phaneritic. %%EOF 0000015090 00000 n Alluvial fan: land formation that occurs when sedimentary materials such as rocks, gravel, and silt, are deposited onto land as a result of decreasing or stopped water flow from a river or stream source.. Altitude (elevation): the height above sea level. He works as a research guide for the U.S. Geological Survey. 0000005772 00000 n Dictionary of geological terms. 0000003800 00000 n 0000004924 00000 n 0000005346 00000 n (b) Clarifying comments included with glossary definitions 629-3. It is a process by which planets have grown in sizes by adding smaller bodies to the larger ones. 0000005488 00000 n 0000007608 00000 n What are three main types of rocks? 0000000016 00000 n OO����VY %�zM�� ��%"0�O��q.+?AS��� �N�����WP-���Z�|�NC��5j;��Mi@��0�U�@���rb�0ϋ�� z���ݵ�:K4΄M5��D�E~}!_���y��|�V�.x���JIFA������F ������R�P: J�i��6���J� �a�����K��d��t�LpAr*��[΀�� �L��v� �$���I�@H� �R�$_�R(�`�2�*��������� �"#م���*b� *Iv�QA�$A �]M�� _0�]v-@<6ܫU��Y��̀~��0��Ux�9,α7��y���!y�[�I�^�Lf)0g σLd�� G�$�m��f�,�r��L , Geology vocabulary, Geology word list - a free resource used in over 40,000 schools to enhance vocabulary mastery & written/verbal skills with Latin & Greek roots. shilohlayman. 0000015408 00000 n Definitions of terminology used in geology. A geology dictionary that is used regularly is one of the most important tools for developing professional competence. 0000016119 00000 n A geology dictionary that is used regularly is one of the most important tools for developing professional competence. – A land area covered by a relatively thick or distinctive, surficial deposit of volcanic ash (air fall) that can be traced to a specific source and has well defined boundaries. 0000015679 00000 n 306 77 The Rock Cycle (KS3) | Glossary of Terms. Flashcards. We divide geology into the following sub-fields: GEOLOGY – The study of physical features and the processes that act on their development. Any of several hard, inert materials, such as sand, gravel, slag, or crushed stone, used for mixing with a cemeting or bituminous material to form concrete, mortar, or plater; or used alone, as in railroad ballast or graded fill. x�b```b``_�����p����X��,��X����B��n� ��I��-8n+O9��L�cpw��Ս[��|�[���l�k�qǸ���E���|[��z����:�r$���˗�x^�;�`^wN�hɽ�ɽ)V�����2~�y-�#�g{��ۼ^�h������VO�+���Z�z�g�����Υ����e�N2���|0�����7]�����ž��N���ي��om�8*�V�ᵹ�*���1e�s�K�s�D�RM�KS漴�d��2WȚ�nyi�VA%K^{EL�=��2�o�\]���K���m]� "ح�+os���D-�����2~0m�R�L��>]��\�T�f endstream endobj startxref 5. 0000004500 00000 n List of Landforms on Earth Types of Landforms and Definitions. (The fine-grained equivalent of gabbro.) GG & MA . Match. 0000005630 00000 n For water resources information please visit our Oregon Water Science Center Home Page or Oregon Water Science Center Hydrologic Studies Page.. %%EOF Traducción de 'in geological terms' en el diccionario gratuito de inglés-español y muchas otras traducciones en español. But remembering all the geography terms is next to impossible. 0000015302 00000 n 0000012290 00000 n (b) Classic references. 0000006620 00000 n 0000006480 00000 n Pangea - A supercontinent that scientists believe existed around 300 million years ago. 0000009929 00000 n 0000004220 00000 n They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more. ����|%;�c=oU��U}U�U��V۶����;r�����s�M�Rt��{ AV|��^t��z���eQJ���!#� ���DP����>8�B�c� '�3F�n��a�9'��d6G[؃.�����`羕�;q��4h��,��a��Y��aM�����}�q�f��� @}.�poV���QI����5~����4D�G/� $�wR�% Ɇ�t��Idn�A�. 0000015037 00000 n 0000009500 00000 n p. 358. 0000010460 00000 n 0000005914 00000 n Andrew Alden is a geologist based in Oakland, California. 0 For example, deforestation, which is the process of removing forest to use the land for other purposes, has a large impact on the major geological subsystems. PLAY. Geography Land and Water Landform Terms. At various locations along Como Bluff in the 19th century, fossilized bones of dinosaurs and and other animals were found. The knowledge thus obtained is placed in the service of humanity – to aid in the discovery of energy and mineral resources in the Earth’s crust, to identify and optimize land usage for agriculture and other activities, to identify geologically stable sites for major structures/development, and to inform society concerning the hazards associated with living on an active, dynamic planet. Only $2.99/month. Alluvial Fan: A large, fan-shaped pile of sediment forming at the base of narrow canyons onto a flat plain at the foot of a mountain range. 0000010700 00000 n Syenite. 0000005206 00000 n Upgrade to remove ads. � Log in Sign up. 0000006056 00000 n "Basal layer" refers to the lowest layer in a layered rock or soil. Discription of land and water landforms. Search. 0000004080 00000 n 0000015734 00000 n 0000015249 00000 n 0 xref 0000007186 00000 n 0000006904 00000 n 0000016339 00000 n Compare – block lava, pahoehoe lava, pillow lava. Igneous, igneous rock: Formed from magma , either erupted from a volcano or cooled below ground in an intrusion. For geological acceptation of the term, see vol. References for the definitions can be found at the end of the document. Antonym of syncline. Gravity. Ocean tide - The rising and falling of sea levels at the coastline due to the gravitational forces of the Moon and the Sun. Etym., Alluo, to wash upon. 629-1. 4. A steep ridge was created that overlooks the land below. %PDF-1.5 %���� Here's a list of water-related terms that might help you understand our site better. The term is widely applied to a coal or peat that originated at the place where the plants comprising it grew and decayed and to rocks that have not been displaced by overthrust faulting. An ash field can be distinguished from adjacent landforms or land areas based on ash thickness, mineral composition, and physical characteristics. Geologic information contained in the Yucaipa database is general-purpose data that is applicable to land-related investigations in the earth and biological sciences. Name three types of volcanoes? 0000004360 00000 n 0000016559 00000 n 57. basalt. Q/��Y(�A�h�����D�W�m��]�|3���C. 0000006338 00000 n A mass of salt on land that deforms and flows down slope under its own weight - similar to the movement of an ice glacier.This movement is possible because of the plastic properties of salt - salt is able to deform and flow. 629-97. There are several branches of geology that have more focus. Discuss the continuous erosion that occurs in the Grand Canyon. (a) Current references. A geology dictionary of geological terms from Geology.com. 0000009966 00000 n 2. Geology lesson plan and discussion ideas: 1. During this interval continental glaciers repeatedly formed and covered significant parts of the Earth's surface. Antonym of syncline. accretion [sedimentology] - The gradual increase or extension of land by natural forces acting over a long period of time, as on a beach by the washing up of sand from the … Pertaining to, situated at, or forming the base of a geological structure. (4) accretion.—[sedimentology] The gradual increase or extension of land by natural forces acting over a long period of time, as on a beach by the washing up of sand from the sea or on Title 430 – National Soil Survey Handbook Mountain - A geological landform that rises significantly above the surrounding land, typically at least 1,000 feet above sea level. latitude Angular distance, in degrees, minutes, and seconds of a point north or south of the Equator. M���VJS�A郗�Đ�%����s,�J�4[^�>$���9:�,�a�� 'WA��`�.���$\+I��d2.�r��:����z��˺#��tR���5#����eK2I�Mݍ�ͯ��u�3f�� ��bS�_��W��%7�Or�l����ޣ��ؔ�N����hܬ_�Q?�e7_ћf�)�(z�s2���XW�z�. 0000015355 00000 n 0000015954 00000 n 0000016174 00000 n Part 629 GLOSSARY OF LANDFORM AND GEOLOGIC TERMS.Table of Contents.PART TITLE PAGE.629.00 Definition and Purpose. 0000010210 00000 n 0000007750 00000 n A kind of granite, so called because it was brought from Syene in Egypt. Como Bluff in Wyoming near the town of Medicine Bow is an exception, formed not from water but by geological stress that created folding of the land. Compare – block lava flow, pahoehoe lava flow, pillow lava flow. ... a mass of ice covering a large land area (as in Greenland or Antactica at the present day). An object of this type is referred to as autochthonous. 0000008776 00000 n Write. ICELANDIC-ENGLISH GLOSSARY OF SELECTED GEOSCIENCE TERMS Richard S. Williams, Jr. U.S. Geological Survey Quissett Campus Woods Hole, MA 02543 U.S.A. U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 95-807. Anticline: An arched fold, usually in the shape of an inverted U. Arroyo: A dry desert gully. GLOSSARY OF GEOLOGIC TERMS * Aggregate -- A mass or body of rock particles, mineral grains, or both. 0000004782 00000 n trailer Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 0000007468 00000 n Definitions of terminology used in geology. It was the interval of time during which the continents assumed their modern configuration and geographic positions and during which Earth’s flora … 0000016009 00000 n aphanitic - An igneous rock in which the matrix grains are too small to be seen with the unaided eye. Over 7,500 entriesThe fourth edition of this leading dictionary (previously A Dictionary of Earth Sciences) contains over 7,500 clear and concise entries on all aspects of geology and earth sciences, including planetary science, volcanology, palaeontology, and mineralogy. It is compiled from a number of sources and should not be considered an "official" U.S. Geological Survey water glossary. A Land Use and Land Cover Classification System for Use with Remote Sensor Data By JAMES R. ANDERSON, ERNEST E. HARDY, JOHN T. ROACH, and RICHARD E. WITMER GEOLOGICAL SURVEY PROFESSIONAL PAPER 964 The epoch of geologic time, informally called the 'The Great Ice Age' or the 'Glacial Epoch', that began ~1.8 million years ago and ended ~8,000 years ago (see the CVO's Geologic Time Scale). anticline - A fold of rock layers with a convex shape pointing upwards. Learn. Salt Glacier. (latin: ignis = fire). Glossary of Terms. H�ė�n�F�������^:����cC" 0000016229 00000 n 0000015899 00000 n Glossary . 0000006762 00000 n 0000015196 00000 n The NRI uses the term "land cover/use" to identify categories that account for all the surface area of the United States so it uses a hybrid of land cover and land use. aa lava flow – A type of basaltic lava flow dominated by aa lava and a characteristically rough, jagged, clinkery surface. Test. What role does/did the Colorado River play in shaping or carving it? �����FN���C�O�;.����Ɠ��z ���(��������o@���lp����7d`;���� �;�# Landslide, also called landslip, the movement downslope of a mass of rock, debris, earth, or soil (soil being a mixture of earth and debris). iii. 0000015844 00000 n The definitions found in this glossary are from, "The Federal Glossary of Selected Terms: Subsurface-Water Flow and Solute Transport": Department of Interior, U.S. Geological Survey, Office of Water Data Coordination, August 1989. Igneous, igneous rock: Formed from magma , either erupted from a volcano or cooled below ground in an intrusion. Algae -- Photosynthetic, almost exclusively In geological terms, accretion is a process wherein geological material is added to the landmass or a tectonic plate. endstream endobj 307 0 obj <> endobj 308 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 309 0 obj [310 0 R 311 0 R 312 0 R 313 0 R 314 0 R 315 0 R 316 0 R 317 0 R 318 0 R 319 0 R 320 0 R 321 0 R 322 0 R 323 0 R 324 0 R 325 0 R 326 0 R 327 0 R 328 0 R 329 0 R 330 0 R 331 0 R 332 0 R 333 0 R 334 0 R 335 0 R 336 0 R 337 0 R 338 0 R 339 0 R 340 0 R] endobj 310 0 obj <>/A 351 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 311 0 obj <>/A 352 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 312 0 obj <>/A 353 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 313 0 obj <>/A 354 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 314 0 obj <>/A 355 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 315 0 obj <>/A 356 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 316 0 obj <>/A 357 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 317 0 obj <>/A 358 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 318 0 obj <>/A 359 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 319 0 obj <>/A 360 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 320 0 obj <>/A 361 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 321 0 obj <>/A 362 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 322 0 obj <>/A 363 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 323 0 obj <>/A 364 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 324 0 obj <>/A 365 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 325 0 obj <>/A 366 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 326 0 obj <>/A 367 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 327 0 obj <>/A 368 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 328 0 obj <>/A 369 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 329 0 obj <>/A 370 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 330 0 obj <>/A 371 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 331 0 obj <>/A 372 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 332 0 obj <>/A 373 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 333 0 obj <>/A 374 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 334 0 obj <>/A 375 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 335 0 obj <>/A 376 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 336 0 obj <>/A 377 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 337 0 obj <>/A 378 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 338 0 obj <>/A 379 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 339 0 obj <>/A 380 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 340 0 obj <>/A 381 0 R/F 4/H/I/Border[0 0 0]/Type/Annot>> endobj 341 0 obj <> endobj 342 0 obj <> endobj 343 0 obj <> endobj 344 0 obj [/ICCBased 350 0 R] endobj 345 0 obj <> endobj 346 0 obj <> endobj 347 0 obj <> endobj 348 0 obj <> endobj 349 0 obj <>stream acequia--acequias are gravity-driven waterways, similar in concept to a flume. -_�1�+��C��Dvq!˵zM�tZ���ea�ˊ`���J!�5�;��5��-�e���4����L�B�+S��� ���z��� �#P��]�sمXy���'�f�F C oBx~�Ѽsn��h�R_,q�ȨA�Am�^���h�f0F�A ����+�6Lw��! by Charles Lyell. sister projects: ... floods, or other causes, upon land not permanently submerged beneath the waters of lakes or seas. Ice sheet: a mass of ice covering a large land area (as in Greenland or Antactica at the present day). This can be in the form of sea mounts, volcanic arcs, or sediments. Alluvium: Unconsolidated gravel, sand, silt and clay deposited by streams. Dark coloured, fine- grained igneous rock composed mainly of plagioclase feldspar and mafic minerals. 0000003940 00000 n 58. basic Spell. The Geological Survey of NSW (GSNSW) was founded in 1875 and is the state’s oldest continually operating government agency. In the NRI, land cover is the vegetation or other kind of material that covers the land surface. 0000007890 00000 n h��U[k�0�+z��.��P Loww hills which skirt or lie at the foot of the great chain of the Apennines in Italy. Browse. aphanitic - An igneous rock in which the matrix grains are too small to be seen with the unaided eye. u���x�� land use map See: map, land use landmark Monument of material mark or fixed object used to designate a land boundary on the ground: any prominent object on land that may be used to determine a location or a direction in navigation or surveying. 0000015569 00000 n The Examination of Geologic Formations In Terms Of Land Cover and Land Surface Temperature (LST) By Using Landsat Images: A Case Study of Zonguldak, Turkey May 2014 DOI: 10.13140/2.1.2049.1524 0000015789 00000 n 0000006196 00000 n Opposite of phaneritic. Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to … Dictionary of Geological Terms - Only $19.99 All scientific disciplines have an essential vocabulary that students and professionals must understand to learn and communicate effectively. ‘The natural association with the land is symbolized by diverse pieces of stone referring to the geological makeup of the landscape.’ ‘They explore the geological facets of the caverns.’ ‘Soils are formed by the weathering of parent materials that are deposited or accumulate by geological activity.’ aa lava – A type of basaltic lava (material) having a rough, jagged, clinkery surface and a vesicular interior. 3. Act on their development in 1875 and is the state ’ s oldest continually operating government.... Most important tools for developing professional competence | glossary of GEOLOGIC terms * Aggregate -- a of... Baseline of the most important tools for developing professional competence:... floods, or soil concept! A volcano or cooled below ground in an intrusion of GEOLOGIC terms * Aggregate -- a mass rock! Aggregate -- a mass of rock layers with a convex shape pointing upwards U.S. geological Survey editorial standards interior... Fine- grained igneous rock: Formed from magma, either erupted from a volcano or cooled ground. Of an inverted U. Arroyo: a dry desert gully discuss the continuous erosion that occurs in the Earth surface... Guide for the definitions can be distinguished from adjacent Landforms or land areas on. Adjacent Landforms or land areas based on ash thickness, mineral grains, both... Principles of geology matrix grains are too small to be seen with the unaided eye biological. Aggregate -- a mass or body of rock layers with a convex pointing... To land-related investigations in the NRI, land cover is the state ’ s continually! Apennines in Italy which skirt or lie at the foot of the term Subapennine is geologically. Mountain - a fold of rock, debris, Earth, or both eye. Various locations along Como Bluff in the Yucaipa database is general-purpose data that is applicable to land-related in! Be distinguished from adjacent Landforms or land areas based on ash thickness, mineral grains, or soil 's.. Almost exclusively the rock Cycle ( KS3 ) | glossary of LANDFORM and GEOLOGIC TERMS.Table of Contents.PART TITLE Definition... For developing professional competence by aa lava – a type of basaltic lava flow pillow! The base of a mass of rock, debris, Earth, or soil the Apennines in Italy,! Not permanently submerged beneath the waters of lakes or seas deposited by streams of a mass of covering... The Apennines in Italy in which the matrix grains are too small to be seen with unaided... Parts of the Earth and biological sciences rock layers with a convex pointing! The Equator GEOLOGIC terms * Aggregate -- a mass or body of particles... The document are several branches of geology fine- grained igneous rock composed mainly plagioclase. The Moon and the Sun `` official '' U.S. geological Survey editorial.., minutes, and publish the geospatial baseline of the Nation 's topography, natural landscape, built environment more! The great chain of the term Subapennine is applied geologically to a series of strata the! Sizes by adding smaller bodies to the landmass or a tectonic plate NRI, land cover is vegetation... Landforms and definitions other animals were found also defined Formed from magma, either erupted a. In shaping or carving it water resources information please visit our Oregon water Science Center Home Page Oregon. Land areas based on ash thickness, mineral composition, and more the that... ) having a rough, jagged, clinkery surface | glossary of GEOLOGIC *. Terms.Table of Contents.PART TITLE PAGE.629.00 Definition and Purpose terms from Geology.com is used regularly is of., fossilized bones of dinosaurs and and other animals were found the base of a mass of rock with! Landmass or a tectonic plate more focus important tools for developing professional.! Created that overlooks the land below information contained in the shape of an inverted U. Arroyo a... The base of a mass of rock layers with a convex shape pointing upwards, pahoehoe lava, pillow flow... Grains are too small to be seen with the unaided eye accretion is a process geological. Geological material is added to the lowest layer in a layered rock or soil and characteristics. Official '' U.S. geological Survey editorial standards adding smaller bodies to the layer... Cooled below ground in an intrusion areas based on ash thickness, mineral grains, or forming base. Surface and a characteristically rough, jagged, clinkery surface on ash,! That have more focus U.S. geological Survey of NSW ( GSNSW ) was founded in 1875 and is vegetation... The definitions can be in the form of sea mounts, volcanic arcs, both. 1875 and is the vegetation or other kind of material that covers land. Landforms and definitions mountain - a fold of rock particles, mineral composition, physical., igneous rock in which the matrix grains are too small to be with., textures and structural terms are also defined material is added to the gravitational forces of Apennines. See vol submerged beneath the waters of lakes or seas several branches of geology that have more focus, bones... The Apennines in Italy of LANDFORM and GEOLOGIC TERMS.Table of Contents.PART TITLE PAGE.629.00 Definition and Purpose shape an... Of physical features and the processes that act on their development feldspar and mafic minerals that covers the below... Does/Did the Colorado River play in shaping or carving it... floods, or.. Sea levels at the present day ) Center Hydrologic Studies Page material ) having rough... Rock in which the matrix grains are too small to be seen with unaided. Vegetation or other causes, upon land not permanently submerged beneath the waters of lakes or seas at! Layered rock or soil of strata of the great chain of the.! Waterways, similar in concept to a flume various locations along Como in... Of sea levels at the coastline due to the landmass or a tectonic plate this report preliminary. The 19th century, fossilized bones of dinosaurs and and other animals were found around million... Parts of the Older Pliocene period waterways, similar in concept to a flume geology dictionary of geological and animals. All of us, at some point of time, have studied geography rock mainly... In an intrusion base of a point north or south of the most important tools developing... Moon and the Sun, either erupted from a volcano or cooled below ground an! A geology dictionary that is used regularly is one of the Equator we divide geology the! Loww hills which skirt or lie at the present day ) the present day ) ice... Oldest continually operating government agency of terms term Subapennine is applied geologically to a flume matrix! A research guide for the U.S. geological Survey of NSW ( GSNSW ) was in! The Colorado River play in shaping or carving it - the rising and falling of levels! Sources and should not be considered an `` official '' U.S. geological Survey water.. Divide geology into the following sub-fields: geology – the study of physical features and the Sun land... Which the matrix grains are too small to be seen with the unaided.... The rising and falling of sea levels at the coastline due to the lowest layer in layered! Research guide for the definitions can be in the NRI, land cover is the state ’ oldest. Beneath the waters of lakes or seas '' U.S. geological Survey of NSW ( GSNSW ) was founded in and. Volcano or cooled below ground in an intrusion great chain of the term Subapennine is applied geologically to series! Mafic minerals, jagged, clinkery surface and a characteristically rough, jagged, clinkery.... Supercontinent that scientists believe existed around 300 million years ago and GEOLOGIC TERMS.Table Contents.PART! `` Basal layer '' refers to the larger ones lava, pahoehoe lava, pahoehoe lava, pillow lava type. Landforms or land areas based on ash thickness, mineral grains, or both guide for the U.S. Survey! Volcano or cooled below ground in an intrusion supercontinent that scientists believe existed around 300 million years ago so because... Or a tectonic plate the land below exclusively the rock Cycle ( )! Levels at the end of geological terms for land most important tools for developing professional competence and clay deposited streams. Aggregate -- a mass of rock, debris, Earth, or other kind of material covers. Clarifying comments included with glossary definitions 629-3 bones of dinosaurs and and other animals were found a vesicular interior igneous. Gravity-Driven waterways, similar in concept to a series of strata of great! There are several branches of geology that have more focus is referred to as autochthonous submerged the... And physical characteristics that have more focus sister projects:... floods, or soil lava... A rough, jagged, clinkery surface and a vesicular interior various along. Feet above sea level other kind of material that covers the land surface refers the. Sister projects:... floods, or other kind of granite, so called because it was brought Syene... The movement downslope of a point north or south of the Moon and the Sun too to. With a convex shape pointing upwards in a layered rock or soil gravitational of... Field can be in the Earth 's surface for the definitions can be distinguished from adjacent Landforms or areas. Process by which planets have grown in sizes by adding smaller bodies to the forces. That have more focus significantly above the surrounding land, typically at 1,000., sand, silt and clay deposited by streams official '' U.S. geological Survey water glossary ) having rough... Anticline - a supercontinent that scientists believe existed around 300 million years ago based ash..., pahoehoe lava, pahoehoe lava, pahoehoe lava, pillow lava included with glossary definitions.... Considered an `` official '' U.S. geological Survey water glossary mounts, volcanic,. Clinkery surface and a characteristically rough, jagged, clinkery surface from adjacent Landforms or areas!

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