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PALAIOS

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A Non-Invasive Quarry Mapping System

¹ Museum of the Rockies, Montana State University, 600 W. Kagy, Bozeman, MT 59717, organ{at}montana.edu

ABSTRACT

The meter-grid system, using spikes hammered into the quarry floor as grid nodes, is a common way to map paleontological and archaeological excavations. This method is invasive to the fossil-bearing horizon and can damage or even destroy buried specimens. This potential is greatest when the site is characterized by high bone concentrations, and/or specimen/matrix friability. A new portable mapping system based on a floating-grid was developed to circumvent these problems. This system also is well suited for excavations with uneven quarry floors. The floating-grid system extends over a quarry using retractable wires and mobile posts. It employs a mapping square that hangs from wires extended from a back wall or rebar posts.

This article has been cited by other articles:

				L. E. Wilson Comparative Taphonomy and Paleoecological Reconstruction of Two Microvertebrate Accumulations from the Late Cretaceous Hell Creek Formation (Maastrichtian), Eastern Montana Palaios, May 1, 2008; 23(5): 289 - 297. [Abstract] [Full Text] [PDF]