Annie Laurie prospect (Annie Laurie claims; Bright Uranium prospect), Oro Blanco Mining District (Ruby Mining District), Oro Blanco Mountains, Santa Cruz County, Arizona, USAi
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Latitude & Longitude (WGS84):
31° 26' 8'' North , 111° 14' 40'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Arivaca | 695 (2011) | 17.6km |
| Tumacacori-Carmen | 393 (2015) | 24.6km |
| Rio Rico | 18,962 (2011) | 25.7km |
| Tubac | 1,191 (2011) | 27.2km |
| Aduana del Sásabe | 1,295 (2018) | 28.9km |
A U-Pb-Zn-Cu-Fluorspar-Mn-Travertine prospect with surface and underground workings located in sec. 1 and in the S½SW¼ sec. 8, T.23S., R.11E, on National Forest land. Discovered 1948 by J.H. Bright, Jr. (uranium), earlier for sulfides. First produced 1948. Owned by J.H. Bright, Jr. as of 1951.
Mineralization is a fissure zone between Jurassic rhyolite porphyry and Cretaceous sediments containing sparse uraninite and secondary uranium minerals in highly fractured rhyolite porphyry which also contains thin fracture fillings of calcite, sparse base metal sulfides, pyrite, and purple fluorspar. The ore zone is 1.22 meters long and 0.1 meters wide. Travertine at a small spring shows some weak radioactivity. The host rock units are the Cobre Ridge Tuff - Rhyolite Member and the Sidewinder Quartz Monzonite. Ore control was N-trending, E-dipping faults. Ore concentration was hydrothermal and pitchblende formed by replacement. Secondary uranium deposited in calcareous tufa from leaching of breccia and ground water movement along a N60W fault system. Alteration is silicification and possible chloritization. Pit samples contained 0.010 and 0.015 percent U 2. Selected dump material assayed as high as 0.79% U.
Workings include shallow prospect operations in 1948-1955. Several pits for uranium exploration; one flooded adit for sulfide exploration. Some material was shipped for testing but there has been no commercial production.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Calcite var. Limestone Onyx Formula: CaCO3 Description: Slightly radioactive. |
| ⓘ Chalcopyrite Formula: CuFeS2 References: Anderson, Roger Yates, Kurtz, Edwin Bernard (1955) Biogechemical reconnaissance of the Annie Laurie uranium prospect, Santa Cruz County, Arizona. Economic Geology, 50 (2) 227-232 doi:10.2113/gsecongeo.50.2.227 |
| ⓘ Fluorite Formula: CaF2 Colour: Purple |
| ⓘ Galena Formula: PbS |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Kasolite Formula: Pb(UO2)(SiO4) · H2O References: |
| ⓘ 'Limonite' |
| ⓘ Metatorbernite Formula: Cu(UO2)2(PO4)2 · 8H2O |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Sphalerite Formula: ZnS |
| ⓘ Uraninite Formula: UO2 Description: Sparse - pitchblende variety (?); disseminated & in hairlike fractures in walls of veins. References: |
| ⓘ Uraninite var. Pitchblende Formula: UO2 |
| ⓘ Uranophane Formula: Ca(UO2)2(SiO3OH)2 · 5H2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Uraninite var. Pitchblende | 4.DL.05 | UO2 |
| ⓘ | 4.DL.05 | UO2 | |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | var. Limestone Onyx | 5.AB.05 | CaCO3 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Metatorbernite | 8.EB.10 | Cu(UO2)2(PO4)2 · 8H2O |
| Group 9 - Silicates | |||
| ⓘ | Kasolite | 9.AK.15 | Pb(UO2)(SiO4) · H2O |
| ⓘ | Uranophane | 9.AK.15 | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Kasolite | Pb(UO2)(SiO4) · H2O |
| H | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| H | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Calcite var. Limestone Onyx | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Kasolite | Pb(UO2)(SiO4) · H2O |
| O | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| O | ⓘ Calcite var. Limestone Onyx | CaCO3 |
| O | ⓘ Uraninite var. Pitchblende | UO2 |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Si | Silicon | |
| Si | ⓘ Kasolite | Pb(UO2)(SiO4) · H2O |
| Si | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| P | Phosphorus | |
| P | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Calcite var. Limestone Onyx | CaCO3 |
| Ca | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Kasolite | Pb(UO2)(SiO4) · H2O |
| U | Uranium | |
| U | ⓘ Kasolite | Pb(UO2)(SiO4) · H2O |
| U | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| U | ⓘ Uraninite var. Pitchblende | UO2 |
| U | ⓘ Uraninite | UO2 |
| U | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
Other Databases
| Link to USGS MRDS: | 10039547 |
|---|
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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