Alteration: Silicification, Pyritization, Alunitization

Deposit: St. Ives ledge branches and coalesces. Ore bodies were small and irregular.

Development: In june 1908, st. Ives, gold horn, velvet and potlatch mining cos. Merged their holdings. Calumet and hecla consolidated copper co. In 1935-1938 discovered a moderate-sized ore body in the shallow levels of the merger

Ore(s): Fissures, Shattered Zones; Caldera Ring Fracture Zone

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.

ⓘ Gold

Mineral List

ⓘ Alunite

ⓘ Pyrite

2 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

ⓘ Dacite

Detailed Mineral List:

ⓘ Alunite

Formula: KAl₃(SO₄)₂(OH)₆

References:

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

ⓘ Pyrite

Formula: FeS₂

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
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Alunite	7.BC.10	KAl₃(SO₄)₂(OH)₆

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
O	Oxygen
O	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
Al	Aluminium
Al	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
S	Sulfur
S	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
S	ⓘ Pyrite	FeS₂
K	Potassium
K	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
Fe	Iron
Fe	ⓘ Pyrite	FeS₂

Other Databases

Link to USGS MRDS:	10046710

Other Regions, Features and Areas containing this locality

North America Plate

Northern Basin and RangeWide Rift

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

RANSOME, F.L., (1909), USGS P.P. 66, P. 239-241

Weed, Walter Harvey (1922) Describing the Mining Companies of the World. The Mines Handbook - succeeding The Copper Handbook Vol. 15. The Mines Handbook Co. p.1213

Quick NavTop Commodities Mineral List Rock Types Other Databases Other Regions References

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 7, 2026 05:47:36 Page updated: January 5, 2025 22:47:27

Go to top of page