Big Johnny Mine (Big Johnny-Little Johnny claims; Big Johnny Little Johnny Mines), Papago Mining District (Sierrita Mining District), Sierrita Mountains, Pima County, Arizona, USAi
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Latitude & Longitude (WGS84):
31° 55' 46'' North , 111° 17' 26'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Three Points | 5,581 (2011) | 16.5km |
| Valencia West | 9,355 (2011) | 28.0km |
| Green Valley | 21,391 (2011) | 29.2km |
| Arivaca Junction | 1,090 (2011) | 31.2km |
| Sahuarita | 25,707 (2017) | 31.7km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Old Pueblo Lapidary Club | Tucson, Arizona | 47km |
| Tucson Gem and Mineral Society | Tucson, Arizona | 47km |
Mindat Locality ID:
36187
Long-form identifier:
mindat:1:2:36187:0
GUID (UUID V4):
e4ca8980-7c66-4a55-ad4e-ab7061dc255a
Ref.: Ransome, F.L. (1922) Ore deposits of the Sierrita Mountains, Pima County, Arizona, in Contributions to Economic Geology (Short Papers and Preliminary Reports), 1921 - Part I.--Metals and Nonmetals except Fuels: U.S. Geological Survey Bulletin 725J: 417.
US Atomic Energy Commission Preliminary Reconnaissance Report Pima County (1952): 671.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral00 Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 132 (Table 4).
USGS Palo Alto Ranch Quadrangle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10039653, MRDS ID #M050577; and, Dep. ID #10186266, MAS ID #0040190121.
A former small surface and underground Pb-Ag-Mn-Cu-Au-Mo-U mine located in South-central sec. 23, T.17S., R.10E.
Mineralization is manganiferous veins and replacement lenses containing spotty, oxidized argentiferous galena and minor sulfides with wulfenite in fractured and metamorphosed Paleozoic limestone in a NNW shear zone between the limestone and quartzite. Host rock units include the Escabrosa Limestone and the Bisbee Group. Geology is similar to the Aguinaldo Mine.
Local structures include NNW fractures, thrust faults.
Workings include shafts and pits. Worked by 'chloriders' for silver in the late 1800's and by prospectors in 1937-1938. Total production was only some 100 tons between the Big Johnny & Little Johnny Mines. Ore averaged over 20 oz. Ag/T with good lead values and minor copper.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| β Chalcopyrite Formula: CuFeS2 |
| β Galena Formula: PbS |
| β Galena var. Silver-bearing Galena Formula: PbS with Ag |
| β Pyrite Formula: FeS2 |
| β Wulfenite Formula: Pb(MoO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Galena | 2.CD.10 | PbS |
| β | var. Silver-bearing Galena | 2.CD.10 | PbS with Ag |
| β | Pyrite | 2.EB.05a | FeS2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| β | Wulfenite | 7.GA.05 | Pb(MoO4) |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | β Wulfenite | Pb(MoO4) |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Galena | PbS |
| S | β Pyrite | FeS2 |
| S | β Galena var. Silver-bearing Galena | PbS with Ag |
| Fe | Iron | |
| Fe | β Chalcopyrite | CuFeS2 |
| Fe | β Pyrite | FeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Mo | Molybdenum | |
| Mo | β Wulfenite | Pb(MoO4) |
| Ag | Silver | |
| Ag | β Galena var. Silver-bearing Galena | PbS with Ag |
| Pb | Lead | |
| Pb | β Galena | PbS |
| Pb | β Wulfenite | Pb(MoO4) |
| Pb | β Galena var. Silver-bearing Galena | PbS with Ag |
Other Databases
| Link to USGS MRDS: | 10039653 |
|---|
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North America
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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