Browns Island, Auckland Region, New Zealandi
| Regional Level Types | |
|---|---|
| Browns Island | Island |
| Auckland Region | Region |
| New Zealand | Country |
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Type:
Mindat Locality ID:
45311
Long-form identifier:
mindat:1:2:45311:7
GUID (UUID V4):
3fe2cc9c-42ac-4bd0-aacd-7ca6e6e0529d
Other/historical names associated with this locality:
Motukorea
Other Languages:
German:
Browns Island, Auckland , Neuseeland
Maori:
Motukorea, Tāmaki-makau-rau, Aotearoa
Russian:
Браунс , Окленд, Новая Зеландия
Cebuano:
Browns Island, Auckland, New Zealand
Czech:
Brownův ostrov , Auckland, Nový Zéland
Dutch:
Browns Island, Auckland, Nieuw-Zeeland
Farsi/Persian:
موتوکوره, منطقه آوکلند, نیوزیلند
Macedonian:
Браунс, Окленд, Нов Зеланд
Occitan:
Browns Island, Nòva Zelanda
Eroded lava and scoria cone.
Type locality for Motukoreaite, named for the Maori word for the island meaning 'island of cormorants'.
The species was first noticed in 1941, but only as limestone. It was later in 1977 identified as a new species, on the island forming an off-white to pale yellow cement. It is relatively abundant at the location cementing alkali-olivine pebbles and granules, olivine sand, gravel sized bioclasts, quartz, feldspar, and sedimentary rock fragments. At a microscopic level the cement is composed of hexagonal plate like crystals in a boxwork.
The species is found at a few other places worldwide, although there is some doubt all of this is Motukoreaite due to the variety in the composition.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 valid minerals. 1 (TL) - type locality of 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:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ 'Feldspar Group' |
| ⓘ 'Limonite' |
| ⓘ Motukoreaite (TL) Formula: Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O Type Locality: Description: Cement for rock. |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Motukoreaite (TL) | 7.DD.35 | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| Unclassified | |||
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| O | ⓘ Quartz | SiO2 |
| Na | Sodium | |
| Na | ⓘ Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| Mg | Magnesium | |
| Mg | ⓘ Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| Al | Aluminium | |
| Al | ⓘ Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Other Databases
| Wikipedia: | https://en.wikipedia.org/wiki/Motukorea |
|---|---|
| Wikidata ID: | Q4096135 |
| GeoNames ID: | 6232117 |
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References
Browns Island, Auckland Region, New Zealand