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Bluefield Formation information


Bluefield Formation
Stratigraphic range: Late Visean?-Early Serpukhovian
~323.5–326.5 Ma
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Outcrop near Glen Lyn, Virginia
TypeFormation
Unit ofMauch Chunk Group
Sub-unitsConey Member, Clayton Member,Graham Member, Bertha Member, Bradshaw Member, Indian Mills Member, Raines Corner Member, Possumtrot Shale, Droop Sandstone, Talcott Shale, Ada Shale, Reynolds Limestone, Bickett Shale, Webster Springs Sandstone, Glenray Limestone, Lillydale Shale
UnderliesHinton Formation
OverliesGreenbrier Group
Lithology
PrimaryMudstone, limestone, sandstone
OtherConglomerate, coal
Location
RegionAppalachia and Southeastern United States
CountryUnited States
ExtentVirginia, West Virginia, Pennsylvania?, Maryland?, Kentucky?
Type section
Named forBluefield, West Virginia
Named byCampbell, 1896

The Bluefield Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Mississippian subperiod of the Carboniferous period. Sediments of this age formed along a large marine basin lying in the region of what is now the Appalachian Plateau. The Bluefield Formation is the lowest section of the primarily siliciclastic Mauch Chunk Group, underlying the Stony Gap Sandstone Member of the Hinton Formation and overlying the limestone-rich Greenbrier Group.[1][2][3]

  1. ^ Maynard, J.P.; Eriksson, K.A.; Law, R.D. (15 November 2006). "The upper Mississippian Bluefield Formation in the Central Appalachian basin: A hierarchical sequence-stratigraphic record of a greenhouse to icehouse transition". Sedimentary Geology. 192 (1–2): 99–122. doi:10.1016/j.sedgeo.2006.03.027. hdl:10919/40533. ISSN 0037-0738.
  2. ^ Arkle, Jr., Thomas; et al. (1979). The Mississippian and Pennsylvanian (Carboniferous) Systems in the United States—West Virginia and Maryland (PDF) (Report). Geological Survey Professional Papers. pp. D1–D35. 1110-D.
  3. ^ Englund, Kenneth J. (1979). The Mississippian and Pennsylvanian (Carboniferous) Systems in the United States - Virginia (PDF) (Report). Geological Survey Professional Papers. pp. C1–C21. 1110-C.

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