Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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

Sandstone from
Old Leyden Mine, Foothill Mining District, Jefferson County, Colorado, USA


Locality type:Mine
Classification
Type:Sandstone
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sandstone data
Locality Data:Click here to view Old Leyden Mine, Foothill Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1046232
Long-form Identifier:1:3:1046232:4
GUID (UUID V4):0
Nearest other occurrences of Sandstone
12.8km (8.0 miles) ⓘFox Hills Outcrop, Boulder-Weld Coal Field, Boulder County, Colorado, USA
24.4km (15.1 miles) ⓘFour Corners Mine (Pallaoro Lease; Morrison Mine), Foothill Mining District, Jefferson County, Colorado, USA
24.6km (15.3 miles) ⓘMann Ranch (Vanadium Queen Mine; Mann Mine), Foothill Mining District, Jefferson County, Colorado, USA
45.1km (28.0 miles) ⓘRose Mary Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
53.5km (33.2 miles) ⓘPenley No. 1 Lease Occurrence, Kassler Area, Douglas County, Colorado, USA
54.0km (33.5 miles) ⓘCarter Lake Uranium Occurrence, Carter Lake Reservoir Area, Larimer County, Colorado, USA
63.6km (39.5 miles) ⓘBuckley Field Manganese deposits (Denver Basin Mn deposits), Watkins area, Arapahoe County, Colorado, USA
65.0km (40.4 miles) ⓘStone Occurrence (MRDS - 10016717), Larimer County, Colorado, USA
65.5km (40.7 miles) ⓘLeonard Mine (Franktown), Castle Rock Area, Douglas County, Colorado, USA
66.4km (41.3 miles) ⓘStone Occurrence (MRDS - 10016732), Larimer 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 7, 2026 11:21:32
Go to top of page