| Deposit ID | 10040377 |
|---|---|
| MRDS ID | M055108 |
| Record type | Site |
| Current site name | Robbins Group |
| Alternate or previous names | Irl Group, Cornucopia Claim |
| Geographic coordinates: | -111.49488, 33.9559 (WGS84) |
|---|---|
| Relative position | 6.3 MILES NW OF MT ORD SUMMIT. |
Political divisions (FIPS codes)
Maricopa(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Reno Pass(quadrangle 1:24,000 scale)
Theodore Roosevelt Lake(quadrangle 1:100,000 scale)
Mesa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Verde(hydrologic unit)
Verde(hydrologic accounting unit)
Salt(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
Tonto National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Arizona | Maricopa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 007N | 009E | 13 | NE OF NE | Arizona |
| Commodity | Importance |
|---|---|
| Mercury | Tertiary |
| Materials | Type of material |
|---|---|
| Cinnabar | Ore |
| Limonite | Gangue |
| Result | ASSAY SHOWS 3.46 PCT. HG |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Phyllite |
| (1) | -111.49488, 33.9559 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Ne Trending Prec Sedimentary And Volcanic Sequence. Mine In Phyllites And Siltstones Near Ne Trending Rhyolite Porphyry Intrusion To South. |
| General form | TABULAR |
|---|---|
| Length | 274.32M |
| Width | 0.91M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Mazatzal Mountains District |
|---|
| Ownership category | National Forest |
|---|
| Type | Operator |
|---|---|
| Owner | Arizona Quicksilver Corp. |
| Home office | Phoenix, Az. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M055108 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040130236 |
ARIZ. BUREAU MINES, 1927, BULL. 122
BAILEY, E. H., USGS, PERSONAL FILES
DEWITT, ED, 1981. UNPUBLISHED RECONNAISSANCE MAPPING
| Subject category | Comment text |
|---|---|
| Deposit | TWO VEINS CONTAINING QUARTZ, LIMONITE, CINNABAR CONSTITUTE MAIN ORE BODY. SMALL VEINLETS OF PURE CINNABAR IN VEINLETS UP TO 1 INCH WIDE OCCUR. |
| Deposit | ROBBINS GROUP CONSISTS OF 9 CLAIMS ON ALDER (SYCAMORE ?) CREEK, MAZATZAL MTNS, MARICOPA COUNTY. AS OF 1927, ORE WAS REPORTED ONLY ON THE CORNUCOPIA CLAIM. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1973 | Bergquist, Joel R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.