A bentonite clay deposit located in the S½ sec. 34, T36N, R26E, G&SRM, 7.4 km (4.6 miles) WSW of Round Rock.

Mineralization in bentonite clay hosted in Late Triassic clastic sedimentary rock of the Chinle formation. Local rocks include rocks of the Chinle Formation.

Workings include surface openings comprised of a clay pit.

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.

ⓘ Bentonite

Mineral List

ⓘ 'Clay 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

ⓘ 'Bentonite'

Detailed Mineral List:

ⓘ 'Clay minerals'

References:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Unclassified
ⓘ	'Clay minerals'	-

List of minerals for each chemical element

Other Databases

Link to USGS MRDS:	10056429

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Colorado PlateauShield
Great Plains DomainDomain

USA

Arizona & Utah
- Apache; Navajo and San Juan Cos.
  - Colorado Plateau
    - Hopi-Navajo Indian Reservations
Colorado PlateauPlateau
⭔Navajo Nation Indian ReservationReservation
New Mexico
- San Juan County
  - ⭔Navajo Nation ReservationReservation

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

USGS crib list record #TC00235.

Phillips, K.A. (1987), Arizona Industrial Minerals Arizona Department of Mines and Mineral Resources Mineral Report 4

Peirce, H.W. (1990), Arizona Geological Survey Industrial Minerals card file.

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

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 8, 2026 07:48:39 Page updated: August 22, 2025 04:48:42

Go to top of page