The data displayed below were collected during a joint project between the following departments at Montana Tech of The University of Montana: Geophysical Engineering and the Montana Bureau of Mines and Geology. The samples represent sandstones collected and analyzed for their potential use as proppant material.

General Information
Reference Theodosis, S.D., 1956, The geology of the Melrose area, Beaverhead and Silver Bow Counties, Montana: Indiana University, Ph.D. dissertation, 118 p.
Notes The uppermost Quadrant at one location is described as friable (p. 42). NW1/4, Sec. 30, T. 01 S., R. 09 W., and NW1/4 Sec. 13, T. 01 S., R. 09 W.,sec.13, NW. Elsewhere the Quadrant is tightly cemented in the Melrose area.
Measured Section Details
Unit Symbol Name Township Range Section 1/4 Section Location Latitude Longitude Geomethod Datum Page Number Sub Unit Id Sandstone Description Grain Size Cementation Roundness Sorting Thickness (ft) Suitability
*Ma Table 3. Amsden Section 02S 09W 7 B North side of Canyon Creek 45.68191921925 -112.7686676135 TRS-SEC NAD83 37 sandstone- shaly greenish to maroon, massive beds calcareous 19.100000000000001 probably not
*Ma Table 3. Amsden Section 02S 09W 7 B North side of Canyon Creek 45.68191921925 -112.7686676135 TRS-SEC NAD83 37 sandstone- thin bedded, reddish brown to maroon calcareous 36.899999999999999 probably not
*Ma Table 3. Amsden Section 02S 09W 7 B North side of Canyon Creek 45.68191921925 -112.7686676135 TRS-SEC NAD83 37 sandstone-thin bedded (2-3 inch) grading upward to agrillaceous limestone calcareous 21.300000000000001 no
*Ma Table 3. Amsden Section 02S 09W 7 B North side of Canyon Creek 45.68191921925 -112.7686676135 TRS-SEC NAD83 37 Sandstone thin bedded (1-3") fine grained/ coarse sandstone