• Thumbnail for Bed (geology)
    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". Specifically...
    14 KB (1,573 words) - 01:43, 17 February 2024
  • Thumbnail for Stratum
    Stratum (redirect from Strata (geology))
    Sur, Mexico Archaeological horizon Bed (geology) Geological formation Geologic map Geologic unit Lamination (geology) Law of superposition Salvador, A...
    7 KB (703 words) - 00:48, 13 August 2024
  • Thumbnail for Bedrock
    Bedrock (redirect from Bed rock)
    In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet. Bedrock is the solid...
    5 KB (473 words) - 17:15, 28 July 2024
  • Thumbnail for Stratigraphy
    technique for the estimation of sediment-accumulation rates. Assise Bed (geology) Conodont biostratigraphy Erygmascope (old instrument for studying strata)...
    11 KB (1,215 words) - 15:11, 21 December 2023
  • Bedfordshire, England, abbreviated Beds Hanscom Field, an airport in Massachusetts, U.S., IATA airport code BED Bed (geology), a layer of sediment, sedimentary...
    2 KB (306 words) - 02:48, 5 January 2024
  • Thumbnail for Geologic time scale
    of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks). It is used primarily by Earth...
    172 KB (9,499 words) - 20:32, 18 August 2024
  • Thumbnail for Lamination (geology)
    separation between grains of different sizes. Bed (geology) Foliation (geology) Liesegang rings (geology) Speleothem Stratum This definition can for example...
    3 KB (407 words) - 15:30, 7 August 2023
  • Thumbnail for Geology
    Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία (-logía) 'study of, discourse') is a branch of natural science concerned with the Earth and other...
    87 KB (9,655 words) - 22:30, 8 August 2024
  • through faulting or other deformation of rock beds that brings distinct rock bodies into contact. The geologic subdiscipline of stratigraphy is primarily...
    8 KB (966 words) - 02:04, 9 December 2022
  • Thumbnail for Pennsylvanian (geology)
    the early Carboniferous beds are primarily marine limestones, the Pennsylvanian was in the past treated as a full-fledged geologic period between the Mississippian...
    14 KB (1,149 words) - 04:52, 11 August 2024
  • Thumbnail for Geologic map
    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...
    12 KB (1,576 words) - 13:07, 26 May 2024
  • Thumbnail for Rock (geology)
    In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included...
    31 KB (3,312 words) - 13:02, 3 August 2024
  • Thumbnail for Stream bed
    A streambed or stream bed is the bottom of a stream or river (bathymetry) and is confined within a channel, or the banks (bank (geography) of the waterway...
    9 KB (1,040 words) - 03:54, 25 May 2024
  • Thumbnail for Sedimentary rock
    sediment, and may be composed of geological detritus (minerals) or biological detritus (organic matter). The geological detritus originated from weathering...
    63 KB (7,683 words) - 08:39, 25 June 2024
  • Thumbnail for Olduvai Gorge
    Olduvai Gorge (category Geology of Tanzania)
    work The Geology of the Olduvai Gorge was published in 1976. Reck identified five main layers of deposition in the gorge, which were labelled Beds I through...
    30 KB (3,710 words) - 17:01, 9 August 2024
  • Thumbnail for Bedform
    Bedform (redirect from Lower plane bed)
    A bedform is a geological feature that develops at the interface of fluid and a moveable bed, the result of bed material being moved by fluid flow. Examples...
    11 KB (1,243 words) - 22:06, 12 July 2023
  • Thumbnail for Bone bed
    A bone bed is any geological stratum or deposit that contains bones of whatever kind. Inevitably, such deposits are sedimentary in nature. Not a formal...
    13 KB (1,531 words) - 05:18, 21 May 2024
  • Thumbnail for Sill (geology)
    In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the...
    8 KB (924 words) - 18:11, 22 February 2024
  • Thumbnail for Flood geology
    Flood geology (also creation geology or diluvial geology) is a pseudoscientific attempt to interpret and reconcile geological features of the Earth in...
    105 KB (13,027 words) - 03:05, 9 July 2024
  • Thumbnail for Ground-penetrating radar
    hydrology, thermal state, accumulation, flow history, ice fabric, and bed geology. In planetary science, ice penetrating radar has also been used to explore...
    33 KB (4,633 words) - 00:14, 4 June 2024
  • Thumbnail for Thickness (geology)
    Thickness in geology and mining refers to the distance across a packet of rock, whether it be a facies, stratum, bed, seam, lode etc. Thickness is measured...
    1 KB (155 words) - 18:09, 12 October 2023
  • Thumbnail for Red beds
    Bulletin of the Connecticut Geology and Natural History Survey. 73. Van Houten, Franklyn B. (May 1973). "Origin of Red Beds A Review-1961-1972". Annual...
    9 KB (1,033 words) - 08:26, 25 June 2024
  • Thumbnail for Geological formation
    A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from...
    10 KB (1,077 words) - 15:10, 16 September 2023
  • Thumbnail for Graded bedding
    Graded bedding (redirect from Graded Bed)
    In geology, a graded bed is a bed characterized by a systematic change in grain or clast size from bottom to top of the bed. Most commonly this takes the...
    9 KB (1,091 words) - 14:56, 1 March 2024
  • The Sully Beds is a geologic formation in Wales. It preserves fossils dating back to the Triassic period. Geology portal Wales portal Paleontology portal...
    1 KB (40 words) - 03:04, 13 May 2023
  • Thumbnail for Geology of Hertfordshire
    a general description of the county. Geology of the United Kingdom Geology of England Woolwich-and-Reading Beds  One or more of the preceding sentences incorporates...
    8 KB (923 words) - 14:36, 26 May 2024
  • Thumbnail for Chirotherium
    environment". Geological Society, London, Special Publications. 343: 209–228. doi:10.1144/SP343.12. Tresise, G. (1996). "Sex in the footprint bed". Geology Today...
    7 KB (535 words) - 10:08, 7 October 2023
  • lithostratigraphic ranks are bed, member, formation, group and supergroup. Formal names of lithostratigraphic units are assigned by geological surveys. Units of...
    8 KB (792 words) - 21:49, 12 April 2024
  • The Catadupa Beds is a geologic formation in Jamaica. It preserves fossils dating back to the Cretaceous period. Earth sciences portal Jamaica portal Paleontology...
    1 KB (54 words) - 21:58, 19 April 2024
  • wells. Erasmus Haworth and J. W. Beede (1897). "The McPherson Equus Beds". Geological Survey of Kansas. Vol. 2. Retrieved 2023-04-07. ... a formation of...
    4 KB (439 words) - 22:46, 16 November 2023