Locality B31, north of Xiaqiong Lake, Lhasa Terrane (Cretaceous of China)

Where: Xizang, China (31.8° N, 89.5° E: paleocoordinates 15.3° N, 84.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Langshan Formation, Albian (113.0 - 100.5 Ma)

• Hanshan Formation [=Langshan Formation]

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, shelly/skeletal grainstone

• Biosparite limestones with shell beds of oysters, rudists and stromatoporoids, and with some terebratulids

Size classes: macrofossils, microfossils

Collection methods: peel or thin section,

• Paleontological collections made on the 1985 Geotraverse.

Primary reference: A. B. Smith and J. Xu. 1988. Palaeontology of the 1985 Geotraverse, Lhasa to Golmud. Philosophical Transactions of the Royal Society of London A 327:53-105 [M. Aberhan/S. Nurnberg/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 61420: authorized by Martin Aberhan, entered by Sabine Nürnberg on 10.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Bivalvia
 Hippuritida - Radiolitidae
Radiolitidae indet. Gray 1848 rudist
radiolitid rudist bivalve debris
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet. stromatoporoid sponge
stromatoporoids
Foraminifera
 Orbitolinacea - Orbitolinidae