Bremen Occurrence, Karasburg West, ǁKaras Region, Namibiai
| Regional Level Types | |
|---|---|
| Bremen Occurrence | Occurrence |
| Karasburg West | Constituency |
| ǁKaras Region | Region |
| Namibia | Country |
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Latitude & Longitude (WGS84):
27° 52' 0'' South , 17° 55' 59'' East
Latitude & Longitude (decimal):
Type:
Age:
553 ± 13 to 514 ± 9 Ma
Dating method:
Rb-Sr
Reference for age:
Allsopp, H. L., Kostlin, E. O., Welke, H. J., Burger, A. J., Kroner, A., & Blignault, H. J. (1979). Rb-Sr and U-Pb geochronology of late Precambrian-early Palaeozoic igneous activity in the Richtersveld (South Africa) and southern South West Africa. Transactions of the Geological Society of South Africa, 82(2), 185-204.
Köppen climate type:
Mindat Locality ID:
408400
Long-form identifier:
mindat:1:2:408400:9
GUID (UUID V4):
f21adbd2-1c89-41f5-a47c-93cb8b01a90e
Bremen Farm 4. Consists of a series of syenites, granites and some hybrid rocks that form an arcuate, sheeted complex, as if part of a multiphase ring structure.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Alkali Feldspar' References: |
| ⓘ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| ⓘ 'Mica Group' References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Riebeckite Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 References: |
| ⓘ Zircon Formula: Zr(SiO4) References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Riebeckite | 9.DE.25 | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
| Unclassified | |||
| ⓘ | 'Alkali Feldspar' | - | |
| ⓘ | 'Mica Group' | - | |
| ⓘ | 'Hornblende Root Name Group' | - | ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| H | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| F | Fluorine | |
| F | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Na | Sodium | |
| Na | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Cl | Chlorine | |
| Cl | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | Calcium | |
| Ca | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Fe | Iron | |
| Fe | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
Geochronology
Mineralization age: Cambrian : 512 ± 12 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
| Geologic Time | Rocks, Minerals and Events | ||||||
|---|---|---|---|---|---|---|---|
| Phanerozoic | |||||||
| Paleozoic | |||||||
| Cambrian | |||||||
| Cambrian Series 2 |
| ||||||
Other Regions, Features and Areas containing this locality
African PlateTectonic Plate
- Kalahari basinBasin
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References
Bremen Occurrence, Karasburg West, ǁKaras Region, Namibia