| Deposit ID | 10065009 |
|---|---|
| MRDS ID | TC39982 |
| Record type | Site |
| Current site name | Oficina Humberstone |
| Alternate or previous names | Humberstone |
| Geographic coordinates: | -69.76732, -20.16982 (WGS84) |
|---|---|
| Location accuracy | 5000(meters) |
| Relative position | 38 KM EAST OF IQUIQUE. |
Political divisions (FIPS codes)
Chile(country)
South America(continent)
Land(continent)
| Country |
|---|
| Chile |
| Commodity | Importance |
|---|---|
| Nitrogen-Nitrates | Primary |
| Iodine | Primary |
| Sodium | Secondary |
| Boron-Borates | Secondary |
| Chromium Critical | Secondary |
| Result | 3 CHANNEL SAMPLES OF SELECTED PARTS OF NITRATE ORE LAYER AT 2 LOCALITIES: (1) 17.67% NO3, 11.11% CL, 3.47% SO4, 0.57% CLO4, 0.004% IO3, 0.07% B4O7, 13.8% NA, 0.95% K, 1.06% CA, 1.87% H2O |
|---|---|
| Result | (2) 2.41% NO3, 20.10% CL, 8.84% SO4, 1.0% CLO4, 0.03% IO3, 0.3% B4O7, 14.6% NA, 1.44% K, 0.71% MG, 1.50% CA, 2.76% H2O |
| Result | (3) 8.77% NO3, 4.73% CL, 2.69% SO4, 0.4% CLO4, 0.04% IO3, 0.2% B4O7, 6.4% NA, 0.28% K, 1.00% CA, 4.87% H2O (ANALYSES REPORTED AS ANIONS AND CATIONS). |
| (1) | -69.76732, -20.16982 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| District name | Tarapaca District |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC39982 |
ERICKSEN, G.E., 1981, GEOLOGY AND ORIGIN OF THE CHILEAN NITRATE DEPOSITS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1188, 37P.
ERICKSEN, G.E., AND MROSE, M.E., 1970, MINERALOGICAL STUDIES OF THE NITRATE DEPOSITS OF CHILE II DARAPSKITE- NA3(NO3)(SO4).H2O: AMERICAN MINERALOGIST, V. 55, P. 1500-1517.
CIMRI
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1994 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.