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A cross section or cross-section, in geology, is a diagram representing the geologic features intersecting a vertical plane, and is used to illustrate an area's structure and stratigraphy that would otherwise be hidden underground. The features described in a cross section can include rock units, faults, topography, and more.
Geological cross section of Earth, showing the different layers of the interior. The internal structure of Earth are the layers of the Earth , excluding its atmosphere and hydrosphere . The structure consists of an outer silicate solid crust , a highly viscous asthenosphere , and solid mantle , a liquid outer core whose flow generates the Earth ...
Cross-platform: Matlab: Geomodelr [28] Geological modelling from cross sections Geomodelr, Inc. SaaS - AGPL: Cross-platform: Python: Allows creation of public geological models in its web platform for free and query the model with an Open Source Python Package BGS Groundhog Desktop [29] Geological modelling from cross sections British ...
The new edition that was published in 2009, contains a 1:75,000 geology map of the island, 6 maps (1:25,000) containing topography, street directory and geology, a sheet of cross section and a locality map. The difference found between the 1976 Geology of Singapore report include numerous formations found in literature between 1976 and 2009.
There are at least 14 known unconformities in the geologic record found in the Grand Canyon. Figure 1. A geologic cross section of the Grand Canyon. [1] Uplift of the region started about 75 million years ago during the Laramide orogeny; a mountain-building event that is largely responsible for creating the Rocky Mountains to the east.
In geology, a bed is a layer of sediment, sedimentary rock, or volcanic rock "bounded above and below by more or less well-defined bedding surfaces". [1] A bedding surface is three-dimensional surface , planar or curved, that visibly separates each successive bed (of the same or different lithology ) from the preceding or following bed.
Figure 1. A geologic cross section of the Grand Canyon. [5]The Tonto Group is a name for an assemblage of related sedimentary strata, collectively known by geologists as a Group, that comprises the basal sequence Paleozoic strata exposed in the sides of the Grand Canyon.
Geologic cross section of upper to middle Devonian strata from Cherry Valley, New York, south-southwest across the Allegheny Plateau and then along the Ridge-and-Valley Appalachians to Tennessee. The Catskill Formation is at the top. [3]