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THE ORE DATABASE | |||||
Deposit Area 1665 - 004 | |||||
(Last updated 06.mai.2002) |
Name of Deposit Area : Gammelgruvhøgda |
(Object Id : 1665,004,00,00) |
Location |
County : | Sør-Trøndelag (16) | Municipality : | Tydal (1665) |
Map 1:50000: | Essandsjøen (1721-2) | Map 1:250000: | Trondheim |
Marking point: | Longitude: | 11.8289940 | Latitude: | 63.0383080 |
EU89-UTM Zone 32 | (Coordinates IS confirmed) |
X-coord: | 643073 m. | Y-coord: | 6993006 m. |
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Commodity |
Main Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Sub Type: | Copper | |
Element(s): | Cu |
Production |
Activity: | Test mining | Reserves: | ||
Prod. method: | Open pit and underground mining | Production: | ||
Prod. status: | Disused, closed | Volume of dump: | 60 m3 |
Importance |
Public: | Little Importance (reg. 18.02.2015) |
Economical: | Minor interest , (Confirmed 06.mai.2002 by Jan Sverre Sandstad) |
Operations |
From - To | Activity | Comments | |
1841 - 1841 | Pitting | Company/Institution :Selbu kobberverk | |
1997 - 1998 | Sampling | Company/Institution :NGU |
Mineralization |
Era: | Paleozoic | Period: | ||
Dating: | Method: | |||
Genesis: | Hydrothermal vein | Form: | Irregular | |
Main texture: | Vein network | Min. distribution: | Disseminated (<20 % ore minerals) |
Main grain size: | Fine grained (< 1 mm) | Main alteration: | Chloritisation |
Strike/Dip: | 306 / 30 | Direction: | ||
Plunge: |
Stratigraphic classification of host rock |
Era: | Paleozoic | Period: |
Province: | Caledonides | |
Geotec.unit: | Remsklepp Nappe Complex | |
Tectonic complex: | Hummelfjell Nappe | |
Igneous complex: |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Quartz | Major mineral (>10%) | |
Gangue mineral | Chlorite | Major mineral (>10%) | |
Gangue mineral | Feldspar | Subordinate mineral (1-10%) | |
Gangue mineral | Amphibole | Subordinate mineral (1-10%) | |
Ore mineral | Chalcopyrite | Major mineral (>10%) | |
Ore mineral | Pyrite | Major mineral (>10%) | |
Ore mineral | Pyrrhotite | Subordinate mineral (1-10%) |
Lithology: |
Relationship | Rock | Origin | |
Wall rock | Amfibolitt | Extrusive Original rock :Basalt |
|
Metamorphic facies :Amphibolite |
Structures |
Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
Wall rock | Foliation | Strike/Dip :317 / 35 | Post-mineralisation ;...Effect :Modifies |
Information(s) in free text format |
Free text |
En 2-3 m bred og 10 m lang dagskjæring med antatt sjakt som er vannfylt, ligger på en høyde på Gammelgruvhøgda ca. 50 m sør for et tjern som ligger 875 moh. Malmsonen er 20-40 cm mektig og består av årer og disseminasjon kobberkis og svovelkis. Vertsbergarten er middelskornet og kloritt/glimmer-rik, nærmest fyllonittisk. Små kvartslinser opptrer hyppig. Amfibolitt opptrer både over og under malmsona. I brattskrenter sør for skjerpet dominerer kvarts-glimmerskifer. Den stratigrafiske plasseringen av forekomsten er usikker, men tilhører Remskleppdekkekomplekset i følge Nilsen & Wolff (1989). Det er også usikkert om det er denne forekomsten som tidligere er kalt Øyfjellet. |
Photo(s) from the Deposit area: |
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Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
ST0122.01 | Dump |
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ST0122.02 | Dump |
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ST0122.03 | Dump |
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NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
from |
Deposit Area 1665 - 004 Gammelgruvhøgda |
Element analyses |
( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.) |
Sample No. | Sample Type | Cu* | Zn* | Pb* | Co* | Ni* | Ag* | Au# |
ST0122.01 | Dump | 28264 | 536 | 7 | 42 | 43 | 12.7 | 187.0 |
ST0122.02 | Dump | 11757 | 406 | 10 | 142 | 113 | 5.2 | 153.0 |
ST0122.03 | Dump | 18971 | 231 | 8 | 173 | 107 | 9.9 | 191.0 |
------------------ |
Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sb* | Bi* | S% |
ST0122.01 | 2.0 | -1.0 | 6 | 4.6 | 3 | 13.00 | -3 | 5 | 5.25 |
ST0122.02 | 3.0 | 2.0 | 6 | .5 | -1 | 7.00 | -3 | 5 | 5.84 |
ST0122.03 | 1.0 | 1.0 | 14 | .8 | 3 | 8.00 | 23 | 2 | 7.02 |
------------------ |
Sample No. | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* | La* |
ST0122.01 | 88 | 120 | 235 | 7.49 | -2.00 | -8.00 | -2 | 3.0 | 1.00 |
ST0122.02 | 113 | 202 | 716 | 14.48 | -2.00 | -8.00 | -2 | 2.0 | 1.00 |
ST0122.03 | 72 | 150 | 494 | 12.65 | 1.00 | 4.00 | 1 | 4.0 | 0.50 |
------------------ |
Sample No. | B* | ||||||||
ST0122.01 | 4 | ||||||||
ST0122.02 | -3 | ||||||||
ST0122.03 | 2 |
The fact sheet was created on 19.05.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
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