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Sidaowopu phlogopite occurrence, Fengning Co., Chengde, Hebei, Chinai
Regional Level Types
Sidaowopu phlogopite occurrenceOccurrence
Fengning Co.County

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Name(s) in local language(s):四刀窝铺金云母点, 丰宁满族自治县, 承德市, 河北省, 中国
Latitude & Longitude (WGS84): 41° 20' 34'' North , 116° 39' 54'' East
Latitude & Longitude (decimal): 41.34278,116.66500
GeoHash:G#: wx6gny0z5
Locality type:Occurrence
Köppen climate type:Dwb : Monsoon-influenced warm-summer humid continental climate

Phlogopite-rich veins in granite contacting Sinian gneiss. Phlogopite crystals are typically 4-5 cm in diameter, but can be up to 15 cm across.

Note: The grid reference is centered on Sidaowopu village.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

2 valid minerals.

Detailed Mineral List:

Formula: CaMgSi2O6
Reference: National Geological Archives of China database, record no. X00010258
Formula: KMg3(AlSi3O10)(OH)2
Colour: Dark brown
Description: Individual crystals can be up to 15 cm across, but are typically 4-5 cm across on average.
Reference: National Geological Archives of China database, record no. X00010258

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates

List of minerals arranged by Dana 8th Edition classification

Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers

List of minerals for each chemical element

H PhlogopiteKMg3(AlSi3O10)(OH)2
O DiopsideCaMgSi2O6
O PhlogopiteKMg3(AlSi3O10)(OH)2
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Si DiopsideCaMgSi2O6
Si PhlogopiteKMg3(AlSi3O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
Ca DiopsideCaMgSi2O6

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

2500 - 4000 Ma

ID: 3192185
Archean crystalline metamorphic rocks

Age: Archean (2500 - 4000 Ma)

Lithology: Crystalline metamorphic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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

External Links

http://search.ngac.cn/Search/Search_Detail.aspx?PKIIB=10258 [National Geological Archives of China, record no. X00010258]

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