Alteration: Hornfels Has Been Altered

Tectonics: Cascade Volcanic Arc

Commodity: There is not enough fluorite in the deposit to be recovered economically

Deposit: Weak geochemical anomalies. Shear zone near vein deposit strikes n30e, dips 55nw. Veins contained no sulfides, but rubble in creek contains molybdenite

Deposit type: Porphyry Cu

Development: Vein deposit found in 1951. Porphyry copper deposit identified later

Geology: Hornfels is adjacent to monument peak stock

Rock formation(s): Monument Peak Stock
Harts Pass Group, Harts Pass Formation

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.

Mineral List

4 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 Diagram

ⓘ Granite

ⓘ Hornfels

Detailed Mineral List:

ⓘ Calcite

Formula: CaCO₃

References:

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

ⓘ Fluorite

Formula: CaF₂

References:

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

ⓘ Molybdenite

Formula: MoS₂

References:

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

ⓘ Quartz

Formula: SiO₂

References:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Molybdenite	2.EA.30	MoS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃

List of minerals for each chemical element

C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Calcite	CaCO₃
O	ⓘ Quartz	SiO₂
F	Fluorine
F	ⓘ Fluorite	CaF₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Molybdenite	MoS₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Fluorite	CaF₂
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂

Other Databases

Link to USGS MRDS:	10048449

Other Regions, Features and Areas containing this locality

North AmericaContinent

USA

Washington
- Whatcom County
  - Pasayten WildernessWilderness Area

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