Ilimaussa1q

Prospect in Greenland, Denmark with commodity Zirconium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10024878
MRDS ID ISM0630
Record type Site
Current site name Ilimaussa1q
Alternate or previous names Kangerdluarssouk, Kringlerne

Geographic coordinates

Geographic coordinates: -45.84805, 60.89989 (WGS84)
Relative position CENTROID

Site location context

Political divisions (FIPS codes)

Greenland(province)

Denmark(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Denmark Greenland

Comments on the location information

  • DEPOSIT IS ON THE EAST SIDE OF THE NORTHERN END OF THE KANGERDLUARSSOUK FJORD.
  • ON THE SOUTHERN PENINSULAR TIP OF INDIA NEAR THE TOWN OF COLACHEL, 25 KM W OF CAPE COMORIN

Commodities

Commodity Importance
Zirconium Critical Primary

Comments on the commodity information

  • ZIRCONIUM

Materials information

Materials Type of material
Zircon Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Ketilidian Basement; Complex/Julianehab; Granite; Ericksfjord Formation
    Rock description Ketilidian Basement; Complex/Julianehab; Granite; Ericksfjord Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -45.84805, 60.89989

Economic information

Geologic structures

Type of structure Regional
Structure description High Level Alkali Basaltic Cupola

Comments on the geologic information

  • ; ILMN + RUTL + ZRCN +- MNZT + GRNT (+QRTZ); DEPOSIT CONSISTS OF BURIED SEAMS OF BLACK SANDS AT OR JUST ABOVE PRESENT OCEAN LEVEL. THERE IS AN ANNUAL REPLENISHMENT OF ABOUT 50 000 TONS OF BEACH SAND FROM OFFSHORE DEPOSITS BY WAVE ACTION.
  • ; EUDIALYTE + AFVD/AGRN + MCCL + PRTT + NPLN + AENIGMATITE + RINKITE + FLRT + STEENSTRUPINE + NAUJAKASITE; DENSITY STRATIFIED CUMULATE OF AGRN, LUJAVRITE, NAUJAITES AND KAKORTOKITES CUT BY LATE PEGMATITES AND PNEUMATOLYTIC VEINS. AGE DATE OF ERICKSFJORD FORMATION IS 1600 TO 1310 MY, OF THE GRANITE/GRANITE GNEISS IS 1780 +/- 20 MY, OF THE 1ST MINERALIZATION 1168 +/- 21 MY.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Comments on the production information

  • NONE NONE
  • 6 000 TPA ZIRCON NONE CAPACITY-INDUSTRIAL MINERALS, 1983. 5000 TPA. CPAPCITY PRODUCTION ASSUMED. 5000 X 20 YEARS. PRODUCTION PRIOR TO 1967 (IRE) NOT GIVEN.

Comments on the reserve resource information

  • 100% NB205, 100% ZRO2. IN SITU CONTENT OF LOWER LAYERED KAKORTOKITES, TRANSITIONAL LAYERED KAKORTOKITES AND AEGIRINE LUJAVRITE. 100% RE203. IN SITU CONTENT OF LOWER LAYERED KAKORTOKITES, TRANSITIONAL LAYERED KAKORTOKITES AND AEGIRINE LUJAVRITE.
  • NOT KNOWN

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (LOCAL POPULATION;). EXPLORATION(YESYES); ASSESSMENT(DENSE POPULATION IN THE AREA HAS A LIMITING EFFECT ON THE EXPANSION OF THE MINE.); IRE COMMENCED PRODUCTION IN 1967. NEW DREDGE AND CONCENTRATOR NOT KNOWN
  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(NO); ASSESSMENT(NOT KNOWN);

Reference information

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). NONE NONE ONGOING MINERAL EXPLORATION IN ADJACENT GARDAR INTRUSIVE BODIES. DATE OF ORIGINAL: 03-AUG-88; DATE OF LAST CHANGE: 05-MAY-89
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). PLACER (DREDGING) 0.00 CM NONE DATE OF ORIGINAL: 17-MAY-88; DATE OF LAST CHANGE: 05-MAY-89

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1987 Richardson, Dan G. Geological Survey of Canada

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.