• Thumbnail for Upper and Lower Table Rock
    Upper Table Rock and Lower Table Rock are two prominent volcanic plateaus located just north of the Rogue River in Jackson County, Oregon, U.S. Created...
    47 KB (4,480 words) - 21:07, 6 November 2023
  • Thumbnail for Kunashir
    a lower level consisting mainly of moderately deformed Neogene rocks, and (2) an upper level comprising Pleistocene to recent volcanics. These rocks exhibited...
    24 KB (2,824 words) - 10:04, 25 April 2024
  • Thumbnail for Oxford Clay
    England; 1. Lower Oxford Clay," in Weishampel, et al. (2004). Page 540. "Table 18.1," in Weishampel, et al. (2004). Page 396. Weishampel, et al. (2004)...
    15 KB (834 words) - 01:02, 25 October 2023
  • Thumbnail for Weald Clay
    Weald Clay (redirect from Upper Weald Clay)
    Basin. It is the uppermost unit of the Wealden Group of rocks within the Weald Basin, and the upper portion of the unit is equivalent in age to the exposed...
    15 KB (1,075 words) - 14:16, 23 March 2024
  • lower sandstones, relics of the rivers and floodplains of the Jurassic period. The fauna of Morrison Formation is similar to one in the coeval rocks of...
    72 KB (3,566 words) - 21:38, 26 April 2024
  • Thumbnail for Lameta Formation
    Lameta Formation (category Upper Cretaceous Series of Asia)
    state of western India. The formation is underlain by the Lower Cretaceous sedimentary "Upper Gondwana Sequence" also known as the Jabalpur Formation,...
    18 KB (1,012 words) - 19:18, 25 April 2024
  • Thumbnail for Igneous rock
    Igneous rock (redirect from Igneous rocks)
    rocks are also geologically important because: their minerals and global chemistry give information about the composition of the lower crust or upper...
    48 KB (5,657 words) - 16:36, 13 April 2024
  • Thumbnail for Tunbridge Wells Sand Formation
    Tunbridge Wells Sand Formation (category Lower Cretaceous Series of Europe)
    Weishampel, et al. (2004). Page 559. "Table 17.1," in Weishampel, et al. (2004). Page 366. "Table 4.1," in Weishampel, et al. (2004). Page 77. "Table 13.1,"...
    12 KB (1,028 words) - 14:33, 8 February 2024
  • Thumbnail for Geologic time scale
    chronostratigraphic Lower and Upper, e.g., Early Triassic Period (geochronologic unit) is used in place of Lower Triassic Series (chronostratigraphic unit). Rocks representing...
    172 KB (9,469 words) - 02:14, 2 May 2024
  • Thumbnail for Plesiosaurus
    Sinemurian (Early Jurassic)-age rocks of the lower Lias Group in December 1823. Additional fossils of Plesiosaurus were found in rocks of the Lias Group of Dorset...
    22 KB (2,193 words) - 16:23, 25 April 2024