Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Tuff from
Knob Hill Mine (Knob Hill Ore Body; Knob Hill Os; Dipper Mine; Nob Hill Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA


Locality type:Mine
Classification
Type:Tuff
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tuff data
Locality Data:Click here to view Knob Hill Mine (Knob Hill Ore Body; Knob Hill Os; Dipper Mine; Nob Hill Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1045302
Long-form Identifier:1:3:1045302:5
GUID (UUID V4):0
Nearest other occurrences of Tuff
0.6km (0.3 miles) ⓘThorn Claims (Thome 1-14; Thorn Homestead Mine; Thome Claims; Thorn 9 and 10), Tallahassee Creek Mining District, Fremont County, Colorado, USA
2.8km (1.7 miles) ⓘDickson - Snooper Mine (Ponderosa Ore Body; Snooper-Dickson Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA
2.8km (1.8 miles) ⓘRainbow - Moose Pit, Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.0km (1.8 miles) ⓘPicnic Tree Mine (Picnic Tree Claims; Picnic Tree-Hall; Hall Homestead), Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.8km (2.3 miles) ⓘTallahassee Creek Mining District, Fremont County, Colorado, USA
4.5km (2.8 miles) ⓘGlen Williams Mine (Williams Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA
5.8km (3.6 miles) ⓘLast Chance Mine (Last Chance Pit), Tallahassee Creek Mining District, Fremont County, Colorado, USA
7.2km (4.5 miles) ⓘCap Rock Mine (Cap Rock 40; Cap Rock Claims), Tallahassee Creek Mining District, Fremont County, Colorado, USA
7.4km (4.6 miles) ⓘOliver Saddle Prospect, Tallahassee Creek Mining District, Fremont County, Colorado, USA
8.0km (5.0 miles) ⓘManganese Prospect (MRDS - 10013189), Tallahassee Creek Mining District, Fremont County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
and/or  
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 6, 2026 03:55:37
Go to top of page