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Hoskinnini No. 1 channel (Channel No. 27; paleochannel No. 27), Hoskinnini Mesa, Monument Valley Mining District, Navajo Co., Arizona, USAi
Regional Level Types
Hoskinnini No. 1 channel (Channel No. 27; paleochannel No. 27)Channel
Hoskinnini MesaMesa
Monument Valley Mining DistrictMining District
Navajo Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 57' 7'' North , 110° 22' 7'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Oljato-Monument Valley674 (2016)13.6km
Oljato-Monument Valley154 (2017)16.2km
Kayenta5,189 (2011)26.9km
Navajo Mountain354 (2011)38.2km
Shonto591 (2011)46.6km


A paleochannel structure located 4.8 km (3.0 miles) S of Hoskinnini Mesa (coordinates of record), on the SE edge of the mesa. Termed the Hoskinnini No. 1 channel by the Atomic Energy Commission and Channel No. 27 by the USGS.

A paleochannel structure that trends N65W and is some 250 feet wide and 75 feet deep. Filled with coarse-grained, massive sandstone.

The channels (includes channel 27) crop out on the southeast edge of Hoskinnini Mesa, and are easily accessible from a graded dirt road on the mesa top. The road extends west from Navajo Indian Reservation Route 1 (Kayenta-Mexican Hat road), follows Adahchijiyahi Canyon to Todicheenie bench, crosses Todicheenie and adjacent uplands and finally ascends Hoskinnini Mesa.

Exposed consolidated sedimentary strata range from the Organ Rock tongue of the Cutler formation, along the base of Hoskinnini Mesa, to the Shinarump member of the Chinle formation, and form the mesa cap. The Shinarump member, which overlies the Moenkopi formation, form; a vertical cliff about 50 feet high, and is veneered by dune sand which ranges in thickness from a thin film to a cover more than 20 feet thick.

These strata form the asymmetrical Organ Rock anticline with its gently dipping west flank and steeply dipping east flank. The two channels crop out near the crest of the structure.

Channel 27 (Hoskinnini No. 1) strikes about N65W, is about 250 feet wide, and has been cut about 75 feet into the Moenkopi formation. Channel strata seem to be predominantly light-gray massive coarse-grained sandstone with small amounts of included silicified wood. A longitudinal section of the channel is exposed, but along much of its length the altered zone in uppermost strata of the Moenkopi formation is covered by debris or is not exposed. No uranium minerals or abnormal radioactivity were noted.

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 at this locality.


Mineral List


3 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 152-153.
Hematite
Formula: Fe2O3
Reference: Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 152-153.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 152-153.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 72 & 74 (Table 1), 152-153.
'Petrified Wood'
Description: Occurs as inclusions in sedimentary rocks.
Reference: Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 72 & 74 (Table 1).

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)
'Petrified Wood'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)
'Petrified Wood'-

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
H JarositeKFe3+ 3(SO4)2(OH)6
CCarbon
C CalciteCaCO3
OOxygen
O Limonite(Fe,O,OH,H2O)
O CalciteCaCO3
O HematiteFe2O3
O JarositeKFe3+ 3(SO4)2(OH)6
SSulfur
S JarositeKFe3+ 3(SO4)2(OH)6
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca CalciteCaCO3
FeIron
Fe Limonite(Fe,O,OH,H2O)
Fe HematiteFe2O3
Fe JarositeKFe3+ 3(SO4)2(OH)6

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]

Kungurian - Moscovian
272.95 - 315.2 Ma



ID: 2778830
Permian to Pennsylvanian sedimentary rocks

Age: Paleozoic (272.95 - 315.2 Ma)

Stratigraphic Name: Hermit Formation; Supai Group; Schnebly Hill Formation; Naco Group

Description: Interbedded sandstone, shale, and limestone usually characterized by ledgy outcrops. Orange to reddish sandstone forms cliffs near Sedona. This unit includes Supai Group and Hermit Shale in northern Arizona and Naco Group in southern Arizona. It was deposited in coastal-plain to shallow-marine settings during time of variable and changing sea level. Rocks of this map unit in southern Arizona may be in part equivalent to Permian rocks of map unit P in central and northern Arizona. (280-310 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:{sandstone,shale,limestone}

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Counties, Arizona: 72 & 74 (Table 1), 152-153.


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