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Map showing publication footprint
  • Usage in publication:
    • Allensville member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
    • Conglomerate
  • AAPG geologic province:
    • Appalachian basin
Publication:

Hyde, J.E., 1912, The geological history of Fairfield County, (Ohio), IN History of Fairfield County and representative citizens by C.C. Miller: Chicago, IL, Richmond-Arnold Publishing Co., p. 203-223.


Summary:

Pg. 211; Jour. Geol., v. 23, p. 656, 657, 764, 771, 775-778, 1915. Allensville member of Logan formation. Chiefly very coarse, rather loose, reddish sands, 0 to 39 feet thick, uniformly bedded, with some interbedded fine-grained sands and in one place 4 to 8 feet of fossiliferous shale. Middle member of Logan. Underlain by Byer member of Logan formation and overlain by Vinton member. Traced from Newark to Ohio River. Lowest occurrence of coarse beds adopted as base of member. Is = conglomerate II of Prosser. Age is Mississippian.
[Named from exposures at Allensville, Vinton Co., south-central OH.]
[GNC remark (ca. 1936, US geologic names lexicon, USGS Bull. 896, p. 34): Logan formation as used by Hyde included upper part of Black Hand formation of Ohio Geological Survey and USGS. These beds are upper part of Black Hand formation.]

Source: US geologic names lexicon (USGS Bull. 896, p. 34).


Map showing publication footprint
  • Usage in publication:
    • Allensville conglomerate member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Appalachian basin
Publication:

Holden, F.T., 1941, Mississippian stratigraphy of Ohio: Illinois Academy of Science Transactions, v. 34, no. 2, p. 172-173.


Summary:

Pg. 173. Allensville conglomerate member included in Pretty Run sandstone facies of Logan formation. Age is Mississippian.

Source: US geologic names lexicon (USGS Bull. 1200, p. 57).


Map showing publication footprint
  • Usage in publication:
    • Allensville conglomerate membe
  • Modifications:
    • Areal extent
Publication:

Hyde, J.E., 1953, The Mississippian formations of central and southern Ohio: Ohio Division of Geological Survey Bulletin, no. 51, 355 p.


Summary:

Pg. 27, 67, 68. Allensville conglomerate member of Logan formation. Moderately fine-grained to coarse conglomeratic sandstones interbedded with bluish-gray, argillaceous shale. Thickness commonly 15 to 25 feet. Underlies Vinton member; overlies Byer member. Age is Mississippian.

Source: US geologic names lexicon (USGS Bull. 1200, p. 57).


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For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

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