ammonites
Bong-am Pass, Dinosaur Valley, Tabri (Cretaceous to of South Korea)

Also known as Tab-ri, Tabu-ri, Tabni

Where: Kyongsang-bukto, South Korea (36.0° N, 128.5° E: paleocoordinates 45.0° N, 124.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gugyedong Formation (Hayang Group), Aptian to Aptian (125.5 - 109.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coarse channel fill; lenticular, pebbly, gray conglomerate and gray, green siltstone

• "a lens of matrix-supported conglomerate" with plant found in the "light, grayish green siltstone layer right above the lens"; Kim 83: "the light gray granite cobble-bearing paraconglomerate with very coarse lime concretion pebbles" "channel conglomerate, the pebbles of which are mostly calcareous nodules"

Size class: macrofossils

Collected by Kim in 1973-1994

Collection methods: surface (float), surface (in situ),

Primary reference: K. H. Chang, S. J. Seo, and S. O. Park. 1982. [Occurrence of a dinosaur limb bone near Tabni, southern Korea]. Journal of the Geological Society of Korea 18(4):195-202 [M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 49651: authorized by Matt Carrano, entered by Matt Carrano on 21.04.2005