Newcastle (Pleistocene of the United States)

Also known as Utah Paleontology Locality No. 42In066v

Where: Iron County, Utah (37.7° N, 113.6° W: paleocoordinates 37.7° N, 113.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• date is on "unidentifiable organics" from a mammoth tooth fragment and is a "minimum-limiting date" because of possible contamination

•fossil is from the "uppermost four meters of sediment" in the pit, but this includes two distinct strata

• group of beds-level stratigraphic resolution

Environment/lithology: alluvial fan; unlithified, pebbly, calcareous sandstone

• "an old alluvial fan complex"
• "The lower stratum consists of calcified, gravelly loamy sand; the gravel contains clasts of three to five centimeters in diameter and smaller [and is] two meters or more in thickness. This is overlain by calcareous, fine sandy loam containing considerable fine gravel [that] varies in thickness from less than one meter to more than two meters"

Size class: macrofossils

Collected by D. Dial in 1996

Primary reference: P. R. Larson. 1999. The Columbian mammoth (Mammuthus columbi) from Escalante Valley, Iron County, Utah -- discovery and implications. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah. Utah Geological Survey Miscellaneous Publication 99-1:531-536 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 109026: authorized by John Alroy, entered by John Alroy on 10.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Proboscidea - Elephantidae
Mammuthus cf. columbi
Mammuthus cf. columbi Falconer 1857 Columbian mammoth