Tectonics: Active Margin (Leading Edge Of North American Plate)

Deposit: About 10lb of Mn ore exposed.

Development: Open cut.

Rock formation(s): Metchosin Volcanics
Metchosin

Ore(s): Ore Along Contact Of Greenstone And Red Argillaceous Limestone

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Manganese

Mineral List

ⓘ Bementite

1 valid mineral.

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 Diagram

ⓘ 'Argillaceous limestone'

ⓘ Greenstone

ⓘ Limestone

Detailed Mineral List:

ⓘ Bementite

Formula: Mn₇Si₆O₁₅(OH)₈

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Bementite	9.EE.05	Mn₇Si₆O₁₅(OH)₈

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
O	Oxygen
O	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
Si	Silicon
Si	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈
Mn	Manganese
Mn	ⓘ Bementite	Mn₇Si₆O₁₅(OH)₈

Other Databases

Link to USGS MRDS:	10047966

Other Regions, Features and Areas containing this locality

North AmericaContinent

Coast MountainsMountain Range

North America PlateTectonic Plate

Pacific Coast RangesAccretionary Complex
Siletzia DomainDomain
Western Washington–Oregon BasinsBasin

USA

Washington
- Olympic Mining DistrictMining District

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References

Huntting, Marshall T. (1956) Inventory of Washington Minerals: Bulletin No.37 - Part II, Metallic Minerals. Division of Mines and Geology, Department of Conservation and Development.p.260

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