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  2. Cross section (geology) - Wikipedia

    en.wikipedia.org/wiki/Cross_section_(geology)

    Cross section (geology) A cross section of the Anadarko Basin. The letters A and B at the top correspond to the line labeled A--B on the smaller map. In this example, the vertical scale is exaggerated compared to the horizontal scale. A cross section or cross-section, in geology, is a diagram representing the geologic features intersecting a ...

  3. Geology of the Himalayas - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Himalayas

    Fig 7: Simplified cross-section of the north-western Himalaya showing the main tectonic units and structural elements by Dèzes (1999). Fig 8: Indus-Yarlung suture zone separates Himalayas from the Transhimalayas. Lhasa Terrane (also called Karakoram-Lhasa Block/Terrane) lies within the Transhimalayas in its east side. Bangong-Nujiang Suture ...

  4. Geologic map - Wikipedia

    en.wikipedia.org/wiki/Geologic_map

    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.

  5. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    Java. Free to use software to digitize geological cross-sections, and display and edit borehole logs. Geoscience ANALYST [31] Free 3D visualization and communication software for integrated, multi-disciplinary geoscience and mining data and models, which also connects to Python through geoh5py, its open-source API.

  6. Internal structure of Earth - Wikipedia

    en.wikipedia.org/wiki/Internal_structure_of_Earth

    Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about 1,220 km (760 mi), which is about 19% of Earth's radius [0.7% of volume] or 70% of the Moon 's radius. [32][33] The inner core was discovered in 1936 by Inge Lehmann and is generally composed primarily of iron and some nickel.

  7. Strike and dip - Wikipedia

    en.wikipedia.org/wiki/Strike_and_dip

    Strike and dip. 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 is the azimuth of an imagined horizontal line across the plane, and its dip is the angle of inclination (or depression angle) measured downward from horizontal. [1]

  8. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    Geology of Pennsylvania. Pennsylvania 's physiographic provinces. The Coal Region of Northeastern Pennsylvania has abundant anthracite coal, a high-value energy source. The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections. Each province has its own economic ...

  9. Section restoration - Wikipedia

    en.wikipedia.org/wiki/Section_restoration

    A section that can be successfully undeformed to a geologically reasonable geometry, without change in area, is known as a balanced section. [1] Comparably a palinspastic map is a map view of geological features, often also including present-day coastlines to aid the reader in recognising the area, representing the state before deformation.