Arivaca Creek gold placers (Arivaca Creek placers), Arivaca Creek, Las Guijas Mountains, Arivaca Mining District (Las Guijas Mining District), Las Guijas & San Luis Mountains, Pima County, Arizona, USAi
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Latitude & Longitude (WGS84):
31° 35' 29'' North , 111° 21' 29'' West
Latitude & Longitude (decimal):
Type:
Group of Placers
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Arivaca | 695 (2011) | 3.1km |
| Aduana del Sásabe | 1,295 (2018) | 22.3km |
| Tumacacori-Carmen | 393 (2015) | 29.4km |
| Tubac | 1,191 (2011) | 29.6km |
| Amado | 295 (2011) | 30.6km |
Ref.: Wilson, E.D. (1952), Arizona gold placers and placering (Fifth edition revised): Arizona Bureau of Mines Bull. 160: 78-80.
Johnson, M.G. (1972), Placer gold deposits of Arizona, USGS Bull. 1355, 103p.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 104 (Table 4).
Orris, G.J. and Bliss, J.D. (1985), Geologic and Grade Volume Data on 330 Gold Placer Deposits, USGS Open-File Report 85-213, 172 pp.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10026916, MRDS ID #M001045; and, Dep. ID #10137360, AS ID #0040190101.
A former small Au-Ag-W-Hg surface placer deposit and mine located 5 miles NW of Arivaca in the NW ¼ sec. 10 & NE ¼ sec. 9, T.21S., R.9E. Also in T21S, R10E. Produced in the 1950's. Operated by the New Venture Placer Mining Co. (1950).
Mineralization is placer gravels 6.1 meters thick with irregularly distributed, finely divided gold with a few nuggets on pediment slopes, and in various gulches and washes at, or near, true or false bedrock. Considerable clay. Gravels contain abundant black sand (with cinnabar and wolframite). The source of the gold is believed to be Cretaceous-Tertiary gold-bearing quartz veins.
Small scattered workings with dry washers used except when water was available. Sluices and a Clark agitating sluice also have been used.
Probably a few thousand ounces of gold, with minor silver, were produced during the period 1750 to 1900, and some 100 oz. since that time.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Cinnabar Formula: HgS |
| ⓘ Native Gold Formula: Au Description: As finely-divided placer gold with a few nuggets on pediment slopes. |
| ⓘ 'Wolframite Group' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | 'Wolframite Group' | 4.DB.30 va | |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Cinnabar | HgS |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
Other Databases
| Link to USGS MRDS: | 10026916 |
|---|
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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