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THE ORE DATABASE
Occurence 5025 - 008 Gråberget
(Object Id: 4224)
(Last updated: 19.08.2020)
Location
County: Trøndelag Municipality: Rosse (5025)
Map 1:50000: Røros (1720-3) Map 1:250000: Røros
Coordinate system: EU89-UTM Zone 32
East: 627675 m. North: 6937190 m.
Longitude: 11.4823790 Latitude: 62.5435560
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Resource
Resource Type: Ferroalloys (Cr,Ni,Co,V,Mo,W) Resource Subtype: Chromium
Element(s): Cr
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

Resources and production
Activity: Test mining Reserves:
Operating method: Historical production:


Mineralization
Genesis: Form:
Main texture: Min. distribution:
Main grain size: Main alteration:
Strike/Dip: Direction:
Plunge:
Stratigraphic classification of host rock
Era: Period:
Province:
Geotec.unit:
Tectonic complex:
Igneous complex:
Group: Formation:

Information(s) in free text format
Free text
Det er en rekke mindre gruver/skjerp tilknyttet serpentinittkroppen på Gråberget. Hovedgruva er en ca. 10 m lang, flattliggende stoll i ØNØ retning. Her er det omlag 350 kbm tipp på utsiden. Materialet her inneholder av årer og slirer med kromitt i serpentinitt.

Photo(s) from the Deposit area:
Photo no. 1 showing Gruve med tipp (mot øst)"

Fieldsamples
Sample No. Sample type Miscellanrous
GRÅBERGET-2 Dump
Sampler: T. Bjerkgård
Comment: Collection of pieces with chromite from the dump

Name of Locality: Gruve 2
(Object Id: 37502 8,01,00)
Location
County: Trøndelag Municipality: Rosse (5025)
Map 1:50000: Røros (1720-3) Map 1:250000: Røros
Coordinate system: EU89-UTM Zone 32
East: 627634 m. North: 6937310 m.
Longitude: 11.4816910 Latitude: 62.5446460
Show on map
Resource
Resource Type: Ferroalloys (Cr,Ni,Co,V,Mo,W) Resource Subtype: Chromium
Element(s): Cr
Resources and production
Activity: Test mining Reserves:
Operating method: Historical production:


Information(s) in free text format
Free text
Stoll ca. 10 m lang, drevet med helning mot VSV og vannfylt i bunnen. ca. 350 kbm tipp. Kromitt opptrer i "nyrer" og slirer i serpentinitt på tipphaugen. Det er et lite skjerp 15 m mot sør.

Photo(s) from the Deposit area:
Photo no. 1 showing Gruve 2, stoll"
Photo no. 2 showing Stuff med kromitt"
Photo no. 3 showing Kromittmineralisering"

Fieldsamples
Sample No. Sample type Miscellanrous
GRÅBERGET-1 Dump
Sampler: T. Bjerkgård
Comment: Massive chromite ore in serpentinite

Name of Locality: Skjerp 1
(Object Id: 37503 8,02,00)
Location
County: Trøndelag Municipality: Rosse (5025)
Map 1:50000: Røros (1720-3) Map 1:250000: Røros
Coordinate system: EU89-UTM Zone 32
East: 627540 m. North: 6937279 m.
Longitude: 11.4798240 Latitude: 62.5444090
Show on map
Resource
Resource Type: Ferroalloys (Cr,Ni,Co,V,Mo,W) Resource Subtype: Chromium
Element(s): Cr
Resources and production
Activity: Pitting Reserves:
Operating method: Historical production:


Information(s) in free text format
Free text
Vannfylt synk/grop 3x3 m i diameter, noen små steiner med kromitt på tipphaugen.

Name of Locality: Skjerp 2
(Object Id: 37504 8,03,00)
Location
County: Trøndelag Municipality: Rosse (5025)
Map 1:50000: Røros (1720-3) Map 1:250000: Røros
Coordinate system: EU89-UTM Zone 32
East: 627990 m. North: 6937380 m.
Longitude: 11.4886390 Latitude: 62.5451510
Show on map
Resource
Resource Type: Ferroalloys (Cr,Ni,Co,V,Mo,W) Resource Subtype: Chromium
Element(s): Cr
Resources and production
Activity: Pitting Reserves:
Operating method: Historical production:


Information(s) in free text format
Free text
To mindre røsker med 25 m avstand i SV-NØ retning. Koordinat på den største (i SV). Tynne slirer med kromitt, dels "edel" serpentin i tynne sjikt. Pseudokonglomeratisk tekstur på fjelloverflaten ved røskene.

Photo(s) from the Deposit area:
Photo no. 1 showing Skjerp (mot SV)"
Photo no. 2 showing Bergartsflate"

The fact sheet was created on 04.05.2024
Questions or comments regarding the fact sheet can be emailed to:
ressursdatabaser@ngu.no
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