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Round Rock, Apache Co., Arizona, USAi
Regional Level Types
Round RockVillage
Apache Co.Mine
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 30' 47'' North , 109° 28' 24'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Round Rock789 (2011)0.0km
Many Farms1,348 (2011)22.0km
Lukachukai1,701 (2011)24.3km
Rock Point642 (2011)26.5km
Tsaile1,205 (2011)32.8km
Other/historical names associated with this locality:
Bisdotl'is desaki; Round Rock Store; Tsenakaahn; Tsenakahn


A populated place along US highway 191 at the intersections of routes 12 & 172.

Regions containing this locality

North America PlateTectonic Plate
Colorado Plateau, USAPlateau
Navajo Nation Indian Reservation, USAReservation
Hopi-Navajo Indian Reservations, Colorado Plateau, Apache; Navajo and San Juan Cos., Arizona & Utah, USA

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Clays'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10056429.
'Petrified Wood'
Description: Abundant as a petrified forest.
Reference: Daugherty, L.H. (1941), The Upper Triassic flora of Arizona, Carnagie Institute Publication 526; Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 30.

List of minerals arranged by Strunz 10th Edition classification

Unclassified Minerals, Rocks, etc.
'Clays'-
'Petrified Wood'-

List of minerals arranged by Dana 8th Edition classification

Unclassified Minerals, Mixtures, etc.
'Clays'-
'Petrified Wood'-

List of minerals for each chemical element

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 3185972
Mesozoic sedimentary rocks

Age: Mesozoic (174.1 - 237 Ma)

Lithology: Sandstone-conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Norian - Carnian
208.5 - 237 Ma



ID: 2819208
Chinle Formation

Age: Late Triassic (208.5 - 237 Ma)

Stratigraphic Name: Chinle Formation

Description: Colorful mudstone, such as in the Painted Desert, and less abundant lenses of sandstone and conglomerate, deposited by a large river system. This unit typically is eroded into badlands topography and contains clays that are prone to shrinking and swelling. (210-230 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{mudstone}, Minor:{sandstone,conglomerate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

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Localities in this Region
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