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  • Usage in publication:
    • Grasselli dolomite
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolomite
  • AAPG geologic province:
    • Appalachian basin
Publication:

Oder, C.R.L., and Miller, H.W., 1945, Stratigraphy of the Mascot-Jefferson City zinc district [Tennessee]: American Institute of Mining and Metallurgical Engineers Technical Publication, no. 1818, 9 p., Reprinted in Tennessee Div. Geol. Rpt. Inv., no. 12, 1961


Summary:

Name Grasselli dolomite applied to dark fine-grained to finely crystalline dolomite in the ore section of Grasselli Mine. Scattered throughout the dolomite are a few white spots and at the base is a green shale and some quartzite grains. Overlies brown limestone, which may be altered to crystalline dolomite. Underlies 3 to 5 ft of fine-grained to finely crystalline mottled and sparsely spotted greenish to pinkish medium-gray dolomite. Thickness about 5 ft. Occurs within the Kingsport formation and considered Ordovician (Canadian) in age.

Source: GNU records (USGS DDS-6; Reston GNULEX).


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

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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