Proppant Research Group
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.
| Reference | McGill, G.E., 1958, Geology of the northwest flank of the Flint Creek Range, western Montana: Princeton University, Ph.D. dissertation, 193 p. |
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| Notes | The Flathead, Shedhorn, and Quadrant are described as relatively hard, pure quartzites. The Flathead is described as a first or second quality glass sand. It is not included in the database because tightly cemented, but is located in NE 1/4, SW1/4, Sec. 27, T. 09 N., R. 13 W. (p. 161). |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MDtm | 2. Sectioon of Cambrian Hasmark dolomite, Cambrian Red Lion Formation and Devonian Maywood formation. | 08N | 13W | 14 | CC | NE side of BoulderCreek between Maxville and Princeton. | 46.44146452415 | -113.2001622745 | TRS-SEC | NAD83 | 163 | 3 | red to tan, dolomite quartz sandstone, beds 1/4' to 1' thick, finer toward the bottom of the unit | fine | calcareous, fairly prominent outcrop | sub-angular to rounded quartz | fairly well sorted | 53 | maybe |
| MDtm | 2. Sectioon of Cambrian Hasmark dolomite, Cambrian Red Lion Formation and Devonian Maywood formation. | 08N | 13W | 15 | D | NE side of BoulderCreek between Maxville and Princeton. | 46.44306201065 | -113.20780891 | TRS-SEC | NAD83 | 163 | 3 | red to tan, dolomite quartz sandstone, beds 1/4" to 1' thick, finer toward the bottom of the unit | fine | calcareous, fairly prominent outcrop | sub-angular to rounded quartz | fairly well sorted | 53 | maybe |
| MDtm | 2. Sectioon of Cambrian Hasmark dolomite, Cambrian Red Lion Formation and Devonian Maywood formation. | 08N | 13W | 14 | CC | NE side of BoulderCreek between Maxville and Princeton. | 46.44146452415 | -113.2001622745 | TRS-SEC | NAD83 | 164 | 1 | medium gray, medium to dark gray weathering, quartz sandstone with very minor amounts of finely crystalline sandy dolomite; beds 1"-8" | fine | calcareous (20%) | not too well sorted | 7 | maybe | |
| MDtm | 2. Sectioon of Cambrian Hasmark dolomite, Cambrian Red Lion Formation and Devonian Maywood formation. | 08N | 13W | 15 | D | NE side of BoulderCreek between Maxville and Princeton. | 46.44306201065 | -113.20780891 | TRS-SEC | NAD83 | 164 | 1 | medium gray, medium to dark gray weathering, quartz sandstone with very minor amounts of finely crystalline sandy dolomite; beds 1"-8" | fine | calcareous (20%) | not too well sorted | 7 | maybe | |
| *q | 4.Section of the Quadrant Quartzite, Permian rocks and Jurassic rocks. | 08N | 12W | 7 | C,N2 | Fault-repetition of the west flank of the Douglas Mountain anticline on the North side of Gird Creek | 46.45850756735 | -113.1556622995 | TRS-SEC | NAD83 | 173 | 1 | Orthoquartzite-white to light gray, buff to brown weatehring quartzite. Massive, outcrop blocky and very prominent | fine | non calcareous (96% quartz) | poor | 120 | no |