Morgan Mica prospect, Alexandria, Grafton County, New Hampshire, USAi
| Regional Level Types | |
|---|---|
| Morgan Mica prospect | Prospect |
| Alexandria | Township |
| Grafton County | County |
| New Hampshire | State |
| USA | Country |
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Latitude & Longitude (WGS84):
43° 39' 54'' North , 71° 50' 9'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Hebron | 489 (2017) | 4.0km |
| Groton | 486 (2017) | 4.1km |
| Alexandria | 1,415 (2017) | 6.9km |
| Bridgewater | 1,037 (2017) | 8.5km |
| Orange | 318 (2017) | 11.0km |
Mindat Locality ID:
6141
Long-form identifier:
mindat:1:2:6141:7
GUID (UUID V4):
44d2e302-68dd-4aa4-9e6b-3577eb864371
A cut 20 feet long, 5 feet wide, and 3 to 4 feet deep was excavated along the strike of the pegmatite in August 1943. The prospect was mapped by chain and compass in August 1943 by Glenn W. Stewart and Harry Kamensky.
The pegmatite, a tabular body exposed along strike for 80 feet, is 2 to 4 feet wide, strikes about N. 10Β° W.; and dips 65Β°-70Β° NE. The contacts are sharp and the pegmatite cuts across the foliation of the wall rock, the Kinsman quartz monzonite gneiss, which strikes N. 15Β°-20Β° E. and dips 70Β° southeast. A small aplitic dike lies about 15 feet south of the pegmatite. It is exposed for only 10 feet along strike. It has an average thickness of 1 foot, and strikes N. 50Β° E.
The pegmatite, a tabular body exposed along strike for 80 feet, is 2 to 4 feet wide, strikes about N. 10Β° W.; and dips 65Β°-70Β° NE. The contacts are sharp and the pegmatite cuts across the foliation of the wall rock, the Kinsman quartz monzonite gneiss, which strikes N. 15Β°-20Β° E. and dips 70Β° southeast. A small aplitic dike lies about 15 feet south of the pegmatite. It is exposed for only 10 feet along strike. It has an average thickness of 1 foot, and strikes N. 50Β° E.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| β Almandine Formula: Fe2+3Al2(SiO4)3 |
| β 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| β 'Chlorite Group' ? |
| β Microcline Formula: K(AlSi3O8) |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| β 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| β Quartz Formula: SiO2 |
| β Quartz var. Smoky Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Quartz var. Smoky Quartz | 4.DA.05 | SiO2 |
| β | 4.DA.05 | SiO2 | |
| Group 9 - Silicates | |||
| β | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
| β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| β | Microcline | 9.FA.30 | K(AlSi3O8) |
| Unclassified | |||
| β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| β | 'Chlorite Group' ? | - | |
| β | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | β Almandine | Fe32+Al2(SiO4)3 |
| O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | β Microcline | K(AlSi3O8) |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | β Quartz | SiO2 |
| O | β Quartz var. Smoky Quartz | SiO2 |
| O | β Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| F | Fluorine | |
| F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Na | Sodium | |
| Na | β Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | β Almandine | Fe32+Al2(SiO4)3 |
| Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | β Microcline | K(AlSi3O8) |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | β Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | β Almandine | Fe32+Al2(SiO4)3 |
| Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | β Microcline | K(AlSi3O8) |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | β Quartz | SiO2 |
| Si | β Quartz var. Smoky Quartz | SiO2 |
| Si | β Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| K | Potassium | |
| K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | β Microcline | K(AlSi3O8) |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | β Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ti | Titanium | |
| Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | Iron | |
| Fe | β Almandine | Fe32+Al2(SiO4)3 |
| Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Other Databases
| Link to USGS MRDS: | 10247206 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Ganderia DomainDomain
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References
