Bluff Creek - I occurrence, Truscott Mining District, Knox Co., Texas, USAi
| Regional Level Types | |
|---|---|
| Bluff Creek - I occurrence | Occurrence |
| Truscott Mining District | Mining District |
| Knox Co. | County |
| Texas | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
33° 45' 39'' North , 99° 52' 16'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
A Cu occurrence located W of Truscott, on private land. Discovered in 1974 by G.E. Smith. The USGS MRDS database stated accuracy for this locality is 100 meters.
Go W on Texas Farm & Machinery Road (FM) 1756 for 2.5 miles from Texas highway 283 at Truscott. Turn N 0.4 mile turn W 1.5 miles to Bluff on E side of Bluff Creek where the road descends and winds around a small hill.
A Cu deposit hosted in San Angelo Formation (lower) sandstone. The ore body is lenticular, strikes NNE and dips WNW at a thickness of 0.3 meter. The body is an outcrop. Controls for ore emplacement included a reducing environment. Basal San Angelo sandstone contains malachite and may be sporadic. Associated rocks include Early to Late Permian shale of the Choza Formation. Local rocks include rocks of the San Angelo Formation.
Regional geologic structures include a gentle dip of 30 feet/mile or less off Bend Arch.
Select Mineral List Type
Standard Detailed Gallery Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 Reference: U.S.Geological Survey,2005,Mineral Resources Data System :U.S.Geological Survey, Reston, Virginia |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals arranged by Dana 8th Edition classification
| Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN | |||
|---|---|---|---|
| ⓘ | Malachite | 16a.3.1.1 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | Copper | |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Lloyd, A.M., and Thompson, W.C. [compilers] (1929), Areal Map showing Outcrops on nthe Eastern Side of the Permian Basin of West Texas. Texas Bureau of Economic Geology, scale 1:220,000.
Smith, G.E. (1974), Depositional Systems, San Angelo Formation (Permian) North Texas--Facies Control of Red-Bed Copper Mineralization, Texas Bureau of Economic Geology, Report of Investigations 80, 74 pages: 67, Plate II. (doi.org/10.23867/RI0080D).
Hentz, T.F., and Brown, L.F., Jr., compilers (1987), in Barnes, V.E., Geologic Atlas of Texas, Wichita Falls-Lawton sheet, Texas Bureau of Economic Geology, scale 1:250,000.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10022111.
MRDS ID #DE01937.
Other Databases
| USGS MRDS Record: | 10022111 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
