Grønlie, Arne (1988) Platinum-group minerals in the Lillefjellklumpen nickel-copper deposit, Nord-Trøndelag, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 68 (1) 65-72
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Access Rights | Open Access | ||
| Title | Platinum-group minerals in the Lillefjellklumpen nickel-copper deposit, Nord-Trøndelag, Norway | ||
| Journal | Norsk Geologisk Tidsskrift [Norwegian Journal of Geology] | ISBN | 0029-196X |
| Authors | Grønlie, Arne | Author | |
| Year | 1988 | Volume | 68 |
| Page(s) | 65-72 | Issue | 1 |
| Publisher | ) | ||
| URL | |||
| Download URL | https://njg.geologi.no/images/NJG_articles/NGT_68_1_065-072.pdf+ | ||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 16616560 | Long-form Identifier | mindat:1:5:16616560:9 |
| GUID | 4ca9bdd5-e568-45a9-b9ec-eaaa49bb1df1 | ||
| Full Reference | Grønlie, Arne (1988) Platinum-group minerals in the Lillefjellklumpen nickel-copper deposit, Nord-Trøndelag, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 68 (1) 65-72 | ||
| Plain Text | Grønlie, Arne (1988) Platinum-group minerals in the Lillefjellklumpen nickel-copper deposit, Nord-Trøndelag, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 68 (1) 65-72 | ||
| In | (1988) Norsk Geologisk Tidsskrift [Norwegian Journal of Geology] Vol. 68 (1) Norsk Geologisk Forening (Geological Society of Norway) | ||
| Abstract/Notes | The Lillefjellklumpen Ni-Cu deposit occurs in the Gjersvik Nappe in the Upper Allochthon of the central Norwegian Caledonides. The area has been interpreted by earlier workers as part of an ensimatic island are of Lower to Middle Ordovician age. The mineralization is associated with a small body of metagabbro occurring at the contact between gabbro and greenstone. The massive sulphide body consists of pyrrhotite, pyrite, pentlandite, chalcopyrite, magnetite and silicates. The average Ni content is 3.6% and the Cu content is 1.2 %. The total platinum group element (PGE) content is 5.6ppm, Pt (1.8 ppm) and Pd (3.1 ppm) accounting for 4.9 ppm. The Pt + Pd/Ru + Ir +Os ratio is 9.8, within the range reported for gabbro related deposits. The average chondrite normalized PGE pattern is similar to that of the Kanichee deposit although Lillefjellklurnpen has lower absolute PGE values. Merenskyite is the main platinumgroup mineral (PGM), but sperrylite, moncheite and temagamite (?) also occur. The PGM occur as small ( < 20 µm) inclusions in pyrrhotite and chalcopyrite as well as on grain boundaries. The Lillefjellklumpen deposit probably represents a magmatic sulphide segregation related to a layer 3 (ensimatic) gabbro body later remobilized during a tectonic event and redeposited in its present position. | ||
Map of Localities
Locality Pages
| Locality | Citation Details |
|---|---|
| Lillefjellklumpen deposit, Røyrvik, Trøndelag, Norway |
Mineral Occurrences
| Locality | Mineral(s) |
|---|---|
| Lillefjellklumpen deposit, Røyrvik, Trøndelag, Norway | ⓘ Magnetite, ⓘ Merenskyite, ⓘ Moncheite, ⓘ Pentlandite, ⓘ Pyrrhotite, ⓘ Sperrylite, ⓘ Temagamite |
See Also
These are possibly similar items as determined by title/reference text matching only.
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