Structure: Hoosac Fault Zone

Alteration: Silicification Along Fault Zone Forming Jasperoid

Deposit: Silicified zone along fault zone the silica mined, was used As fluxing material. The deposit is southwest of the eureka district. ; info.src : 1 pub lit

Geology: Silica occurs As jasperoid in eureka quartzite. The jasperoid formed along the hoosac fault in response to hydrothermal activity

Rock formation(s): Eureka Quartzite

Ore(s): Contact Of Qtzite W/Impermeable Shales Along Fault.

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.

ⓘ Silica

Mineral List

ⓘ Quartz

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

ⓘ Quartzite

Detailed Mineral List:

ⓘ Quartz

Formula: SiO₂

References:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂

List of minerals for each chemical element

O	Oxygen
O	ⓘ Quartz	SiO₂
Si	Silicon
Si	ⓘ Quartz	SiO₂

Other Databases

Link to USGS MRDS:	10044766

Other Regions, Features and Areas containing this locality

North AmericaContinent

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.

Quick NavTop Commodities Mineral List Rock Types Other Databases Other Regions

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 4, 2026 07:09:08 Page updated: August 18, 2025 13:25:16

Go to top of page