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Tveit Mine, Huglo Island, Stord, Hordaland, Norway

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Latitude & Longitude (WGS84): 59° 49' 54'' North , 5° 35' 41'' East
Latitude & Longitude (decimal): 59.83187,5.59497
GeoHash:G#: u4eurk41u
Locality type:Mine
Age:485.4 ± 1.9 to 443.8 ± 1.5 Ma
Geologic Time:Ordovician
Reference for age:Geological Survey of Norway. The Ore database. Deposit Area 1221 - 005. Tveit.
Köppen climate type:Cfb : Temperate oceanic climate

Old Cu-mine.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Tveit gruve, Huglo, Stord, Hordaland, Norway

Regions containing this locality


Region - 1,997 mineral species & varietal names listed

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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

7 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: Cu5FeS4
Reference: Kolderup, N.-H. (1929): En vestnorsk kisførende kvartskeratofyr. Bergen Museums Årbok [1929],4, 1-22
Formula: CuSO4 · 5H2O
Description: Some of the chalcanthite from this mine is very unstable - dehydrating fast. Other samples are more stable. Nice crystals to a few mm, but always thin. Chalcantite are forming lager amsses and crust, sometimes also stalactites in the walls of the mine or on the flooor
Reference: Kolderup, N.-H. (1929): En vestnorsk kisførende kvartskeratofyr. Bergen Museums Årbok [1929],4, 1-22
Formula: CuFeS2
Formula: Cu
Formula: FeAl2(SO4)4 · 22H2O
Formula: Cu2(CO3)(OH)2
'Mica schist'
Reference: Geological Survey of Norway. The Ore database. Deposit Area 1221 - 005. Tveit.
Formula: FeS2
Habit: Combination of (210) and (111)
Reference: Kolderup, N.-H. (1929): En vestnorsk kisførende kvartskeratofyr. Bergen Museums Årbok [1929],4, 1-22
Formula: SiO2
Reference: Geological Survey of Norway. The Ore database. Deposit Area 1221 - 005. Tveit.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Chalcanthite'7.CB.20CuSO4 · 5H2O
'Halotrichite'7.CB.85FeAl2(SO4)4 · 22H2O
Unclassified Minerals, Rocks, etc.
'Mica schist'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
AmBnXp, with (m+n):p = 1:1
AmBnXp, with (m+n):p = 1:2
Chalcanthite29.6.7.1CuSO4 · 5H2O
Halotrichite29.7.3.2FeAl2(SO4)4 · 22H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Rocks, etc.
'Mica schist'-

List of minerals for each chemical element

H ChalcanthiteCuSO4 · 5H2O
H HalotrichiteFeAl2(SO4)4 · 22H2O
H MalachiteCu2(CO3)(OH)2
C MalachiteCu2(CO3)(OH)2
O ChalcanthiteCuSO4 · 5H2O
O HalotrichiteFeAl2(SO4)4 · 22H2O
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
Al HalotrichiteFeAl2(SO4)4 · 22H2O
Si QuartzSiO2
S BorniteCu5FeS4
S ChalcanthiteCuSO4 · 5H2O
S ChalcopyriteCuFeS2
S HalotrichiteFeAl2(SO4)4 · 22H2O
S PyriteFeS2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe HalotrichiteFeAl2(SO4)4 · 22H2O
Fe PyriteFeS2
Cu BorniteCu5FeS4
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Silurian - Cambrian
419.2 - 541 Ma

ID: 3131548
Caledonian Orogenic Belt

Age: Paleozoic (419.2 - 541 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{meta-sandstone}, Minor{phyllite,conglomerate,meta-volcanic rock group}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kolderup, N.-H. (1929): En vestnorsk kisførende kvartskeratofyr. Bergen Museums Årbok [1929],4, 1-22
Geological Survey of Norway. The Ore database. Deposit Area 1221 - 005. Tveit. (Last updated 13. Mar. 1997)

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