Also known as Kelly Limestone, Ladron Member, Magdalena Mts., New Mexico

Where: Socorro County, New Mexico (34.1° N, 106.9° W: paleocoordinates 10.1° S, 48.9° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Ladron Member (Kelly Limestone Formation), Meramecian (343.0 - 335.5 Ma)

• The beds range from 0-15m thick. The basal 0.1-0.3m is a disconformity with the Caloso Member below. It is composed of arenaceous lime mudstone to quartz sandstoneand is overlain by 15m of wackestone and packestone The upper boundary is an unconformity with the Sandia Fm.

Environment/lithology: shelly/skeletal, gray, sandy, carbonaceous packstone and wackestone

Size class: macrofossils

Primary reference: A. K. Armstrong and B. L. Mamet. 1976. Biostratigraphy and Regional Relations of the Mississippian Leadville Limestone in the San Juan Mountains, Southwestern Colorado. United States Geological Survey Professional Paper 985:1-25 [T. Olszewski/M. Gibson/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 10182: authorized by Tom Olszewski, entered by Melissa Gibson on 02.03.2001

Creative Commons license: CC BY (attribution)