ammonites
Chabu Site 5 (bottom) (Cretaceous of China)

Also known as CHABU-5

Where: Nei Mongol, China (38.9° N, 107.2° E: paleocoordinates 40.0° N, 109.6° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Jianchuan Formation, Late/Upper Barremian (130.0 - 125.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; volcaniclastic, intraclastic, gray, yellow sandstone and tabular, brown, red mudstone

• "ash fall in fluvial system"
• "med-grained buff sandstone; clast supported; subrounded clasts, alternating with red-pale brownish mudstones and coarser-grained grey resistant sandstones"

Size class: macrofossils

Preservation: mold/impression, trace

Collected in 2002-2004

Collection methods: surface (in situ),

Primary reference: M. G. Lockley, J. L. Wright, D. White, M. Matsukawa, J. Li, L. Feng, and H. Li. 2002. The first sauropod footprints from China. Cretaceous Research 23:363-381 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67989: authorized by Matt Carrano, entered by Matt Carrano on 20.12.2006