Escondida claims, Fresnal Canyon, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USAi
This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
31° 54' 23'' North , 111° 12' 21'' West
Latitude & Longitude (decimal):
Locality type:
Group of Claims
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Green Valley | 21,391 (2011) | 20.8km |
| Three Points | 5,581 (2011) | 21.5km |
| Arivaca Junction | 1,090 (2011) | 24.1km |
| Sahuarita | 25,707 (2017) | 24.3km |
| Amado | 295 (2011) | 25.8km |
Ref.: US Atomic Energy Commission Preliminary Reconnaissance Report Pima County (1955): 641.
U.S. Atomic Energy Commission RME-159 (1970) Preliminary Reconnaissance for Uranium in Pima and Pinal Counties, Arizona, 1950 to 1957: 197.
MRDS database Dep. ID file #10048218, MRDS ID #M800303; and, Dep. ID #10210585, MAS ID #0040190220.
A Cu-U occurrence/group of claims with surface workings located in sec. 34, T17S, R11E, near the Gunsight Ranch, on private land. Owned by C. Lemons and O. Parmer (1955).
Mineralization is ore that strikes N70E and dips 65N, and is hosted in mafic intrusive rock. Radioactivity: background 0.04 mr/hr, 0.16 mr/hr.
Workings include 2 pits.
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 Reference: MRDS database Dep. ID file #10048218, MRDS ID #M800303. |
| ⓘ Pyrite Formula: FeS2 Reference: MRDS database Dep. ID file #10048218, MRDS ID #M800303. |
| ⓘ Uraninite Formula: UO2 Reference: MRDS database Dep. ID file #10048218, MRDS ID #M800303. |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Uraninite | 4.DL.05 | UO2 |
List of minerals arranged by Dana 8th Edition classification
| Group 2 - SULFIDES | |||
|---|---|---|---|
| AmBnXp, with (m+n):p = 1:1 | |||
| ⓘ | Chalcopyrite | 2.9.1.1 | CuFeS2 |
| AmBnXp, with (m+n):p = 1:2 | |||
| ⓘ | Pyrite | 2.12.1.1 | FeS2 |
| Group 5 - OXIDES CONTAINING URANIUM OR THORIUM | |||
| AXO2·xH2O | |||
| ⓘ | Uraninite | 5.1.1.1 | UO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Uraninite | UO2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| U | Uranium | |
| U | ⓘ Uraninite | UO2 |
Other Databases
| USGS MRDS Record: | 10048218 |
|---|
Other Regions, Features and Areas containing this locality
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.
