Central Whiskey Canyon, Bolander Group, Collection 114 (Carboniferous of the United States)

Where: Sierra County, New Mexico (33.2° N, 107.3° W: paleocoordinates 3.0° S, 40.6° W)

• outcrop-level geographic resolution

When: Bolander Group, Desmoinesian (312.8 - 306.0 Ma)

• Des Moines Series is divided into the Bolander Group and Armendaris Group; the latter contains 3 formations. Unit 114 = 11 ft.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, cherty/siliceous limestone and shale

• Unit 114: Limestone, gray, hard, dense, fine-grained, with a slight brownish tinge, irregularly bedded; cherty throughout, especially top surface and upper 2 feet; lower third of unit consists of 0.5 foot of interbedded limestone and shale underlain by 1 foot of massive limestone, then 4 inches of interbedded limestone and shale underlain by a 1.5 foot limestone with a thin shale bed, then 0.5 foot of limestone interbedded with gray to greenish-gray very fossiliferous shale (brachiopods weather free), and a basal 0.5 foot nodular limestone.

Size class: macrofossils

Primary reference: J. L. Gehrig. 1958. Middle Pennsylvanian Brachiopods From the Mud Springs Mountains and Derry Hills, New Mexico. State Bureau of Mines and Mineral Resources, Memoir 3 1-24 [T. Olszewski/K. Nell]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9980: authorized by Tom Olszewski, entered by Katrina Nell on 20.02.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only brachiopods reported.
Rhynchonellata
 Athyridida - Athyrididae
Composita ovata Mather 1915
Composita argentea Shepard 1838
 Spiriferida - Trigonotretidae
Neospirifer cf. latus Dunbar and Condra 1932
Strophomenata
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
 Productida -
Marginifera sp. Waagen 1884
 Productida - Linoproductidae
Cancrinella boonensis Swallow 1858
 Productida - Productidae