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Geologic map information


Mapped global geologic provinces

A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults, folds, are shown with strike and dip or trend and plunge symbols which give three-dimensional orientations features.

Stratigraphic contour lines may be used to illustrate the surface of a selected stratum illustrating the subsurface topographic trends of the strata. Isopach maps detail the variations in thickness of stratigraphic units. It is not always possible to properly show this when the strata are extremely fractured, mixed, in some discontinuities, or where they are otherwise disturbed.

William Smith's geological map

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Geologic map

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A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or...

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Map

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Cadastral map Climatic map Geologic map Historical map Linguistic map Nautical map Physical map Political map Relief map Resource map Road map Star map Street...

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Geologic time scale

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the table of geologic time presented in this article conforms to the nomenclature, ages, and colour codes set forth by the ICS. The geologic time scale...

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Geology

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often known as Quaternary geology, after the Quaternary period of geologic history, which is the most recent period of geologic time. Magma is the original...

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World map

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world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered...

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Bedrock

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experience subsurface weathering at its upper boundary, forming saprolite. A geologic map of an area will usually show the distribution of differing bedrock types...

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Stratum

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Mexico Archaeological horizon Bed (geology) Geological formation Geologic map Geologic unit Lamination (geology) Law of superposition Salvador, A. ed...

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Geologic modelling

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Geologic modelling, geological modelling or geomodelling is the applied science of creating computerized representations of portions of the Earth's crust...

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Strike and dip

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In geology, strike and dip is a measurement convention used to describe the plane orientation or attitude of a planar geologic feature. A feature's strike...

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Geologic province

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A geologic province is a spatial entity with common geologic attributes. A province may include a single dominant structural element such as a basin or...

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Geological formation

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correlate geologic strata across wide distances between outcrops and exposures of rock strata. Formations were at first described as the essential geologic time...

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Planetary cartography

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Michael; Trent M., Hare. "Geologic map of Mars". U.S. Geological Survey. Retrieved 21 July 2023. García-Arnay, Ángel (2023). "Geologic map of the Terra Cimmeria-Nepenthes...

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Lunar geologic timescale

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above lunar geologic time scale in that the Cryptic and Basin Groups 1–9 (both of which are only informal terms that are not used in geologic maps) comprise...

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Contour line

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label placement. Aeronautical chart Bathymetry Dymaxion map Fall line (topography) Geologic map Marching squares Planform Tensor field TERCOM Courant,...

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Thematic map

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A thematic map is a type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area. This usually involves...

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Geology of Mars

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term areology is also used by the Areological Society. Figure 2 for the geologic map of Mars Beagle 2 Curiosity ※ Deep Space 2 Rosalind Franklin ⁂ InSight...

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California Geological Survey

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began to shift towards the gathering of basic geologic information. In 1938 a new 1:500,000-scale geologic map was published. During the 1940s and 1950s,...

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Topographic map

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In modern mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief...

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Metamodeling

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National Geologic Map Database, Phase 3: An Online Database of Map Information Digital Mapping Techniques '01 -- Workshop Proceedings U.S. Geological Survey...

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Geological history of Mars

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Carr, M. H. (1978). Geologic Map of Mars. Reston, Virginia: United States Geological Survey. Miscellaneous Investigations Set Map 1-1083. Czechowski,...

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Chorochromatic map

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cultural regions began to appear in the 19th Century. The first known geologic map of surficial rock types was published by Jean-Étienne Guettard and Philippe...

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Puget Sound faults

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K. D. (2002), "Geologic Map of Washington — Northwest Quadrant" (PDF), Washington Division of Geology and Earth Resources, Geologic Map GM-50, 3 sheets...

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Geology of the Moon

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scientific community. The geological history of the Moon has been defined into six major epochs, called the lunar geologic timescale. Starting about 4...

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Cartography of the United States

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published a map of the United States in 1850. The National Program for Topographic Mapping was initiated in 1884 by the United States Geological Survey (USGS)...

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William Maclure

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remaining glaciers in Yosemite National Park. Biography portal Geology portal Geologic map of Georgia Chisholm 1911. Bantu, Richard E. (1948). "New Harmony's...

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