Marovala phlogopite deposit, Isoanala, Betroka, Anosy, Madagascari
| Regional Level Types | |
|---|---|
| Marovala phlogopite deposit | Deposit |
| Isoanala | Commune |
| Betroka | District |
| Anosy | Region |
| Madagascar | Country |
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| Name in Malagasy: | Karieran'i Marovala, Kaominin' Isoanala, Distrikan'i Betroka, Faritr' Anosy, Madagasikara |
|---|
| Location is approximate, estimate based on other nearby localities. | |
|---|---|
| Latitude & Longitude (WGS84): | 23° South , 45° East (est.) |
| Margin of Error: | ~29km |
| Locality type: | Deposit |
| Köppen climate type: | Cfa : Humid subtropical climate |
| Other/historical names associated with this locality: | Concession C.588 JEHL |
A phlogopite-bearing pyroxenite. Located 10km northwest of the town of Isoanala, close to the Tsikoriky migmatite (Mt. Tsikory has these coordinates: -23.8192°S, 45.635°E).
A lens of pyroxenite 600m long and 175 large has been mined for phlogopite mica.
Besaire (1966) gives these map coordinates: X = 264,5 and Y = 319.3. (Map sheet Betroka et Est Benenitra).
Concession C.588 JEHL (Besaire 1966).
Regions containing this locality
| Somali Plate (Somalia Plate) | Tectonic Plate |
| Tuléar Province (Toliara), Madagascar | Province |
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Standard Detailed Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 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 DiagramDetailed Mineral List:
| ⓘ 'Apatite' Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316. |
| ⓘ Calcite Formula: CaCO3 Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316. |
| ⓘ Diopside Formula: CaMgSi2O6 Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316. |
| ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316. |
| ⓘ 'Scapolite' Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316. |
| ⓘ 'Scapolite var: Wernerite' Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316. |
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Apatite' | - | |
| ⓘ | 'Scapolite' | - | |
| ⓘ | 'var: Wernerite' | - | |
List of minerals arranged by Dana 8th Edition classification
| Group 14 - ANHYDROUS NORMAL CARBONATES | |||
|---|---|---|---|
| A(XO3) | |||
| ⓘ | Calcite | 14.1.1.1 | CaCO3 |
| Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1) | |||
| Single-Width Unbranched Chains, W=1 with chains P=2 | |||
| ⓘ | Diopside | 65.1.3a.1 | CaMgSi2O6 |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | |||
| Sheets of 6-membered rings with 2:1 layers | |||
| ⓘ | Phlogopite | 71.2.2b.1 | KMg3(AlSi3O10)(OH)2 |
| Unclassified Minerals, Mixtures, etc. | |||
| ⓘ | 'Apatite' | - | |
| ⓘ | 'Scapolite' | - | |
| ⓘ | 'var: Wernerite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Calcite | CaCO3 |
| Mg | Magnesium | |
| Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Al | Aluminium | |
| Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| K | Potassium | |
| K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Calcite | CaCO3 |
References
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Year (asc) Year (desc) Author (A-Z) Author (Z-A)Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 316.
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