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 Hall, W.B., 1961, Geology of part of the Upper Gallatin Valley of southwestern Montana: University of Wyoming, Ph.D. dissertation, 239 p.
Notes
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
*q Buck Creek Canyon Section 08S 03E 13 Well exposed along both sides of the creek where it suts through the steep southwestern flank of the 45.13742311935 -111.300842666 TRS-SEC NAD83 196 34 sandstone- whit emottled with buff and pink, thin bedded, fractured, clean, quartz grains are clear and sparkly. fine non-calcareous well sorted 28 yes
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 196 32 Sandstone- buff to pink, medium bedded, clean and sparklym clear quartz grains fine calcareous well sorted 8 yes
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 196 30 sandstone- pink to tan thick bedded, clear quartz grains fine non-calcareous, hard subangular to subrounded poorly 3 no
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 197 28 sandstone- tan to white, thick to very thick bedded, very cross bedded, clear quartz grains fine siliceous cement subangular poorly 19.5 maybe
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 197 26 sandstone- buff to yellow to white, weathers to pitted. Rounded lodge fine calcareous 2 no
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 197 24 sandstone- light yellowish-tan to rusty brown, occasionally light pink very fine hard resistant, forms cliff 16 no
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 197 22 sandstone-tan to buff, or white, medium to thick bedded, cross bedded, very porous. Frosted quartz grains very fine to medium calcareous at base, friable to hard sub-rounded to sub-angular poorly sorted 19 yes
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 197 19 sandstone-buff to tan fine very calcareous, friable to resistant moderately well 1.8 maybe
*q Buck Creek Canyon Section 08S 03E 13 45.13742311935 -111.300842666 TRS-SEC NAD83 197 17 sandstone- buff to yellowish white, medium to thick bedded, clean, clear quartz grains, forms cliff fine resistant, calcareous subrounded to well rounded 6 maybe
KK Porcupine Ridge Section 07S 04E 21 The formations are exposed on the southwest slope of the ridge which is immediately northeast of the 45.21024122935 -111.240520912 TRS-SEC NAD83 199 44 Sandstone- white to rust, massive. Lower 5 ' contain lenses of gray shale fine 30.5 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 200 43 sandstone- gray at bottom speckled with rust at the top; alternating with subordinate amount of blocky brown shale 8 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 200 42 sandstone- gray, massive, weathers purple with thin beds of whit eblocky shale fine 8 maybe
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 200 40 sandstone- gray brown and speckled with black. Poorly exposed very fine 2.5 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 200 39 sandstone-gray to white with rusty spots. Massive fine silica 5 maybe
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 200 38 sandstone- gray, silty and thin bedded. Alternating with blue/gray fissile shale fine 4.5 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 200 37 sandstone- gray, weathers red, alternating with gray-brown fissile shale fine 10 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 36 sandstone- white to gray, salt and pepper appearance, with some rusty spots, medium bedded fine 2 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 35 sanstone- rusty red, thin bedded, platy fracture, alternating with beds and lenses of blue-gray and red platy to fissile shale fine silica 8 probably not
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 201 19 sandstone- gray to white fine 2 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 201 9 sandstone- white and thick bedded, weathers yellow fine 5 probably not
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 201 7 sandstone- limy fine 2 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 201 4 sandstone- salt and pepper, overall gray, lenses of chert pebble conglometate present medium 7.5 no
KK Porcupine Ridge Section 07S 04E 21 45.21024122935 -111.240520912 TRS-SEC NAD83 201 3 sandstone- light gray to white, lenses of conglomerate fineto medium 13.5 probably not
*q Southeast Cinnamon Mountain Section 08S 04E 21 on the southwest limb of the Buck Creek Anticline as exposed on the southwest end of Cinnamon Mounta 45.123476534 -111.2403899085 TRS-SEC NAD83 205 40 sandstone- light yellow to buff, corss bedded and massively bedded, forms prominent gray cliff fine calcareous, resistant rounded 36 maybe
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 39 sandstone- buff, clean, medium bedded fine porous, non resistant 27 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 38 sandstone- light pink to yellow, specks of hematite red and limonite yellow, massively bedded fine porous, non-calcareous 22 maybe
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 36 same as unit 38,heavilycorss bedded fine porous, non-calcareous 29.5 maybe
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 35 sandstone- light brown to yellow, clean, medium bedded fine to medium calcareous subangular 12.5 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 33 sandstone- light tan, clean, massive fine resistant and calcareous 2 no
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 32 sandstone- light tan to ivory, clean, thin bedded, cross bedded and weathers white fine friable 4 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 31 sandstone- yellow to tan, clean, cross bedded, massive fine very calcareous, friable 7 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 29 sandstone- tan, clean, massive and very crossbedded, fine slightly calcareous, very porous 15 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 23 sandstone- light buff weathers to medium gray, very corss bedded and massive, very fine calcareous rounded 4 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 19 sandstone- light tan calcareous at base 1.5 no
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 17 sandstone- light tan, buff, or yellowish gray, clean, thick bedded fine calcareous 5 yes
*q Southeast Cinnamon Mountain Section 08S 04E 21 45.123476534 -111.2403899085 TRS-SEC NAD83 205 15 sandstone- light gray, clean, thick bedded fine calcareous well sorted 3 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 on the southwest limb of the Buck Creek Anticline as exposed on the southwest end of Cinnamon Mounta 45.12370454455 -111.219935248 TRS-SEC NAD83 205 40 sandstone- light yellow to buff, corss bedded and massively bedded, forms prominent gray cliff fine calcareous, resistant rounded 36 maybe
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 39 sandstone- buff, clean, medium bedded fine porous, non resistant 27 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 38 sandstone- light pink to yellow, specks of hematite red and limonite yellow, massively bedded fine porous, non-calcareous 22 maybe
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 36 same as unit 38,heavilycorss bedded fine porous, non-calcareous 29.5 maybe
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 35 sandstone- light brown to yellow, clean, medium bedded fine to medium calcareous subangular 12.5 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 33 sandstone- light tan, clean, massive fine resistant and calcareous 2 no
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 32 sandstone- light tan to ivory, clean, thin bedded, cross bedded and weathers white fine friable 4 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 31 sandstone- yellow to tan, clean, cross bedded, massive fine very calcareous, friable 7 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 29 sandstone- tan, clean, massive and very crossbedded, fine slightly calcareous, very porous 15 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 23 sandstone- light buff weathers to medium gray, very corss bedded and massive, very fine calcareous rounded 4 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 19 sandstone- light tan calcareous at base 1.5 no
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 17 sandstone- light tan, buff, or yellowish gray, clean, thick bedded fine calcareous 5 yes
*q Southeast Cinnamon Mountain Section 08S 04E 22 45.12370454455 -111.219935248 TRS-SEC NAD83 205 15 sandstone- light gray, clean, thick bedded fine calcareous well sorted 3 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 Measured on both sides of Taylor Fork about one mile upstream from Taylor Falls 45.0356838885 -111.4439918575 TRS-SEC NAD83 206 159 sandstone- white to light yellow, thick bedded, finely laminated, cross-bedded, clean frosted quartz grains, weathers into a smooth rounded cliff medium very porous, lossely cemented with calcite and clay rounded well sorted 26.5 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 206 158 sandstone- tan, unevenly bedded, blocky weathered surface fine very calcareous, argillaceous, non-resistant 1.5 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 206 157 Sandstone- tan to buff to ivory and white, clean, medium to thick bedded, cross-bedded, fine non-calcareous at top to cacareous at bottom rounded 36.5 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 206 156 sandstone- buff, thick bedded to massive, cross bedded, weathers tan to gray fine very calcareous 16 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 206 154 sandstone- buff to white and pink, thin to thick bedded, cross bedded fine porous, clay cement subangular to subrounded 35 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 152 sandstone- buff, medium bedded fine very calcareous, resistant 2 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 150 sandstone- white to light brown, dolomitic at base, medium to thin bedded, weathers buff t yellow fine very hard to friable 5.5 maybe
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 148 Sandstone- light yellow to white, medium bedded fine calcareous, rather non-resistant 6 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 144 sandstone-light tan or buff, medium bedded and grades into limestone unit above fine very calcareous 2 maybe
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 143 Sandstone- pale green fine non-calcareous, friable 1 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 142 Sandstone- buff to gray-brown, hard, some white chert lenses and cavities lines with large calcite crystals very fine very calcareous, resistant 2.2999999999999998 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 209 140 Sanstone- buff, bioturbated, very resistant fine to coarse near bottom calcareous 1.5 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 222 5 sandstone- greenish grayto orange gray, very thin bedded, unevenly bedded, bright green and black grains as well as numerous limonitic orange fine calcareous poorly 4 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 222 3 sandstone- mottled white and tan or mediumbrown, cross bedded, medium to thin bedded with ripple marks and worm trails, glauconite, unit weathers dull green in many places medium to coarse calcareous, porous well rounded poorly 16 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 23 45.0356838885 -111.4439918575 TRS-SEC NAD83 222 2 sandstone- tan to light green, quartzitic, micaceous, poorly exposed very fine 11 probably not
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 Measured on both sides of Taylor Fork about one mile upstream from Taylor Falls 45.0357974072 -111.423441173 TRS-SEC NAD83 206 159 sandstone- white to light yellow, thick bedded, finely laminated, cross-bedded, clean frosted quartz grains, weathers into a smooth rounded cliff medium very porous, lossely cemented with calcite and clay rounded well sorted 26.5 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 206 158 sandstone- tan, unevenly bedded, blocky weathered surface fine very calcareous, argillaceous, non-resistant 1.5 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 206 157 Sandstone- tan to buff to ivory and white, clean, medium to thick bedded, cross-bedded, fine non-calcareous at top to cacareous at bottom rounded 36.5 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 206 156 sandstone- buff, thick bedded to massive, cross bedded, weathers tan to gray fine very calcareous 16 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 206 154 sandstone- buff to white and pink, thin to thick bedded, cross bedded fine porous, clay cement subangular to subrounded 35 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 152 sandstone- buff, medium bedded fine very calcareous, resistant 2 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 150 sandstone- white to light brown, dolomitic at base, medium to thin bedded, weathers buff t yellow fine very hard to friable 5.5 maybe
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 148 Sandstone- light yellow to white, medium bedded fine calcareous, rather non-resistant 6 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 144 sandstone-light tan or buff, medium bedded and grades into limestone unit above fine very calcareous 2 maybe
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 143 Sandstone- pale green fine non-calcareous, friable 1 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 142 Sandstone- buff to gray-brown, hard, some white chert lenses and cavities lines with large calcite crystals very fine very calcareous, resistant 2.2999999999999998 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 209 140 Sanstone- buff, bioturbated, very resistant fine to coarse near bottom calcareous 1.5 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 222 5 sandstone- greenish grayto orange gray, very thin bedded, unevenly bedded, bright green and black grains as well as numerous limonitic orange fine calcareous poorly 4 no
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 222 3 sandstone- mottled white and tan or mediumbrown, cross bedded, medium to thin bedded with ripple marks and worm trails, glauconite, unit weathers dull green in many places medium to coarse calcareous, porous well rounded poorly 16 yes
*q Taylor Basin Composite Paleosoic Section 09S 02E 24 45.0357974072 -111.423441173 TRS-SEC NAD83 222 2 sandstone- tan to light green, quartzitic, micaceous, poorly exposed very fine 11 probably not