Rio Vista Northside Mine, Cienega Mining District, Buckskin Mountains, La Paz County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Rio Vista Northside Mine | Mine |
| Cienega Mining District | Mining District |
| Buckskin Mountains | Mountain Range |
| La Paz County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
34° 10' 39'' North , 114° 11' 57'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cienega Springs | 1,798 (2011) | 2.6km |
| Parker Strip | 662 (2011) | 4.7km |
| Bluewater | 725 (2011) | 6.1km |
| Bluewater | 172 (2011) | 6.6km |
| Parker | 3,046 (2017) | 8.8km |
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 |
|---|---|---|
| Lake Havasu Gem & Mineral Society | Lake Havasu City, Arizona | 36km |
Other/historical names associated with this locality:
Rio Vista Mine; North Side Mine
A small former underground Cu-Au-Ag mine located in the NE¼ sec. 26, T10N, R19W (Black Peak 15 minute topo map), SW of Billy Mack Mountain, 5 miles NE of Parker, on BLM-administered land. Located 5 miles NE of Parker. Owned by Osborne & Ransford.
Mineralization is associated with low-angle normal faults. The ore bodies are found within and above the flinty, chloritic, micro-brecciated, detachment surface. The ore bodies are lenticular bodies of brecciated rock with cementing hematite containing spotty secondary copper ores, limonite and some flaky gold in a wide, silicified breccia zone, probably along a thrust fault between metamorphosed Paleozoic limestone and Precambrian schistose quartzite. The ore zone strikes N-S and dips vertically. An associated rock unit is basalt.
Workings include an inclined shaft, tunnel and open cut. They are 83.82 meters in length and 68.28 meters deep. This mine was prospected and mined intermittently from the early 1900's to the 1950's, producing some 100 or more tons of ore averaging about 8% Cu, 0.4 oz. Au/T and 0.1 oz. Ag/T. In 1918-1919, this property yielded three cars of sorted, high-grade gold-copper ore.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
4 valid minerals.
Detailed Mineral List:
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| ⓘ Hematite Formula: Fe2O3 Description: As a cement in brecciated rock. |
| ⓘ Hematite var. Specularite Formula: Fe2O3 |
| ⓘ 'Limonite' |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Native Gold Formula: Au Description: Flaky. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | var. Specularite | 4.CB.05 | Fe2O3 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 9 - Silicates | |||
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Hematite var. Specularite | Fe2O3 |
| Al | Aluminium | |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | Silicon | |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Fe | Iron | |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Hematite var. Specularite | Fe2O3 |
| Cu | Copper | |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10102571 |
|---|---|
| Link to USGS MRDS: | 10234754 |
| Link to USGS MRDS: | 10258961 |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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References
Bancroft, H. (1911) Reconnaissance of the ore deposits in northern Yuma County, Arizona. Bulletin 451. US Geological Survey doi:10.3133/b451 p.73
Rio Vista Northside Mine, Cienega Mining District, Buckskin Mountains, La Paz County, Arizona, USA