Geochemical data for the Ajo two-degree quadrangle, Arizona
Barton HN, Theobald PK, Turner RL, Eppinger RG, Frisken JG. 1982. Geochemical data for the Ajo two-degree quadrangle, Arizona. U.S. Geological Survey (USGS) Open-File Report. United States Geological Survey open-file report 82-419. United States Department of the Interior Geological Survey
A regional geochemical reconnaissance study was made of the Ajo 1° x 2° quadrangle, Arizona, as part of the Conterminous United States Mineral Resource Assessment Program (CUSMAP). This is a program of systematic regional studies of the mineral resource potential of the conterminous United States. Presented herein is a description of the techniques used for collecting and analyzing the geochemical samples; and the chemical analysis data. The Ajo quadrangle is between 32° and 33° N. lat and 112° and 114° W. long, an area of approximately 21,000 square kilometers. As shown in figure 1, two deletions and one addition were made for this study: (1) Deleted was that portion not within the U.S. but within Mexico, (2) Deleted was the Papago Indian Reservation, currently being studied as a separate project, and (3) Added was the remainder of Organ Pipe Cactus National Monument outside the quadrangle boundary. With the above modifications, the study area was 17,000 square kilometers. .....As part of a program of systematic regional studies of mineral resource potential in the United States, a regional geochemical reconnaissance study was made of the Ajo 10 x 20 quadrangle, Arizona. This report includes a description of the techniques used for collecting and analyzing the geochemical samples and the chemical analysis data. The study area was modified to include all of Organ Pipe Cactus National Monument. Figure and tables.
- Type
- Published Report
- Authors
- Barton, H; Theobald, P; Turner, R; Eppinger, R; Frisken, J
- Date of Issue
- 1982
- Publisher
- United States Department of the Interior Geological Survey
- Units
- ORPI
- Keywords
- Chemical Composition, Chemistry, Geochemistry, Geology, Minerals, Sampling Techniques