Gateway to the Paleobiology Database
Hot Springs #2 (Cretaceous of the United States)

Also known as Black Hills

Where: South Dakota (43.4° N, 103.5° W: paleocoordinates 42.1° N, 52.7° W)

• coordinate estimated from map

When: Cretaceous Formation, Early/Lower Cretaceous (145.5 - 99.7 Ma)

• Due to its late 19th century date of publication, the "Cretaceous Formation" is the highest stratigraphic resolution for this collection.

• formation-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine

• Soft, thin-bedded yellow sandstone, with sandy shales...local beds of carbonaceous shales and thin, impure coal with plant remains, overlying massive sandstone, varying in hardness and color... colors yellow to ocher-brown.

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: bulk,

Primary reference: L.F. Ward. 1899. The Cretaceous formation of the Black Hills as as indicated by the fossil plants. Cretaceous Formation of the Black Hills [B. Tiffney/J. Fosdick/B. Tiffney] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 34868: authorized by Bruce Tiffney, entered by Julia Fosdick on 08.10.2003

Creative Commons license: CC BY (attribution)