Also known as USGS D-844-CO

Where: Nevada (38.0° N, 117.0° W: paleocoordinates 5.4° S, 82.9° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Paralenorthis-Orthidiella brachiopod zone, Ninemile Formation (Pogonip Group), Rangerian (470.0 - 470.3 Ma)

• Listed as Middle Arenig?; local series:zone L; C67-C68. Age (for upper Ninemile: probably Castlemanian) from Loch 2002 (GSA Abstract, accessed from Georef)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; poorly lithified, black, green shale

Size classes: mesofossils, microfossils

Primary reference: R. J. Ross, Jr. and C. R. Longwell. 1964. Middle and Lower Ordovician Formations in Southernmost Nevada and Adjacent California. United States Geological Survey Bulletin 1180-C:C1-C101 [S. Finnegan/S. Finnegan/J. Marcot]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 77183: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 28.12.2007

Creative Commons license: CC BY (attribution)