| Location: | Santa Cruz County, Arizona, United States, North America |
| Lat / long: | 31.61707, -110.79985 |
| dep_id: | 10046337 |
| mrds_id: | M241330 |
| Commodity type: | metallic |
| Major mineral: | Lead, Copper, Silver |
| Minor mineral: | Gold, Zinc |
| Trace mineral: | Manganese |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Producer |
| ore: | Bornite, Chalcopyrite, Galena, Pyrite, Sphalerite, Tetrahedrite |
| gangue: | Biotite, Hornblende, Quartz |
| orebody_fm: | TABULAR |
| work_type: | Underground |
| alteration: | Wall Rocks Are Strongly Altered; Rhyolite Altered To Quartz |
| conc_proc: | Epigenetic Mineralization Of Low-Grade Pyrite Quartz Veins |
| ore_ctrl: | Parallel Ne-Trending Quartz Veins Cutting Quartz Monzonite And Along Contact Between Monzonite And Rhyolite |
| Reporter: | Calder, Susan R. |
| hrock_type: | Quartz Monzonite,Volcanic Breccia (Agglomerate),Quartz Latite,Plutonic Rock |
| arock_unit: | Mount Wrightson Formation;Temporal Formation |
| arock_type: | Rhyolite,Dacite |
| Structure: | Quartz Monzonite Is Intruded And Overlain By Rhyolite, Dominant Structure In Monzonite Dips 35e; Rhyolite Traversed By A Coarse Sheeting Which Dips 60w |
| tectonic: | Mount Wrightson Fault Block |
| Year first produced: | 1881 |
| yr_lst_prd: | 1951 |
| disc_yr: | 1879 |
| discr: | Jack Mansfield And Con Ryan |
| References: |
- Deposit:: ABGMT-USBM FILE DATA
- Deposit:: USBM FILES, MANSFIELD MINE GROUP
- Deposit:: ADMR FILE DATA, MANSFIELD MINE
- Deposit:: BLM DISTRICT MINING SHEET 687, 12) USGS PP 748, P. 14-15
- Deposit:: TENNEY, JAMES B., 1927-29, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES, P. 317-318
- Deposit:: ROHRBACHER, ROBERT G. 1964, GEOLOGY OF THE TEMPORAL GULCH-MANSFIELD CANYON AREA SANTA CRUZ COUNTY ARIZONA; M.S. THESIS UNIVERSITY OF ARIZONA, P. 69
- Deposit:: USGS BULL 582, P. 226-229
- Deposit:: ARIZ BUR MINES BULL 191, P. 90, 11) USGS MAP I-614
- Deposit:: ABGMT FILES, STANTON B. KEITH
- Deposit:: ABGMT CLIPPINGS FILE; MANSFIELD MINING AND SMELTING CO., RUPERT GROUP
|