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Marias Pass, Lower Mt. Sharp, Aeolis Mons (Mount Sharp), Gale Crater, Aeolis quadrangle, Marsi
Regional Level Types
Marias PassPass
Lower Mt. Sharp- not defined -
Aeolis Mons (Mount Sharp)- not defined -
Gale CraterCrater
Aeolis quadrangleQuadrangle
MarsPlanet

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Key
Lock Map
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude: 0° North , 137° East (est.)
Margin of Error:~1km
Locality type:Pass


Stimson fm. outcropping here. Si-enriched targets are especially rich at the Stimson-Murray fms. contact, suggestible for eroded Si-rich fragments moved from Murray to Stimson fm. Si-rich fragments occur as laminated mudstones. Elk and Lamoose are their type target examples.

Tridymite (ca. 14 wt.% of the bulk sample) was identified in the Buckskin laminated mudstone; the mudstone has ca. 60 wt.% amorphous material; the other crystalline phases are plagioclase (ca. 17 wt.%), sanidine (ca. 3 wt.%), a cation-deficient magnetite (ca. 3 wt.%), cristobalite (ca. 2 wt.%), and anhydrite (ca. 1 wt.%).

The content of the amorphous material is [wt.%] opal (and/or glass) (ca. 39), volatiles (16; sulfates, phosphates, "chlorides-perchlorates-chlorates"), and Ti & Fe oxides (incl. TiO2; ca 5 wt.%).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Anhydrite
Formula: CaSO4
Cristobalite
Formula: SiO2
Magnetite
Formula: Fe2+Fe3+2O4
Opal ?
Formula: SiO2 · nH2O
Tridymite
Formula: SiO2

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cristobalite4.DA.15SiO2
Magnetite4.BB.05Fe2+Fe3+2O4
Opal ?4.DA.10SiO2 · nH2O
Tridymite4.DA.10SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Tridymite75.1.2.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal ?75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-

List of minerals for each chemical element

HHydrogen
H OpalSiO2 · nH2O
OOxygen
O TridymiteSiO2
O CristobaliteSiO2
O MagnetiteFe2+Fe23+O4
O AnhydriteCaSO4
O OpalSiO2 · nH2O
SiSilicon
Si TridymiteSiO2
Si CristobaliteSiO2
Si OpalSiO2 · nH2O
SSulfur
S AnhydriteCaSO4
CaCalcium
Ca AnhydriteCaSO4
FeIron
Fe MagnetiteFe2+Fe23+O4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Milliken, R.E., Hurowitz, J.A., Bish, D.L., Grotzinger, J.P., Wiens, R. (2016) The chemical and mineralogical stratigraphy of Lower Mt. Sharp: relating rover observations to orbital predictions. 47th Lunar and Planetary Science Conference: pdf no. 1495.
Morris, R.V., Vaniman, D.T., Blake, D.F., Gellert, R., Chipera, S.J., Rampe, E.B., Ming, D.W., Morrison, S.M., Downs, R.T., Treiman, A.H., Yen, A.S., Grotzinger, J.P., Achilles, C.N., Bristow, T.F., Crisp, J.A., Des Marais, D.J., Farmer, J.D., Fendrich, K.V., Frydenvang, J., Graff, T.G., Morookian, J.-M., Stolper, E.M., Schwenzer, S.P. (2016) Silicic volcanism on Mars evidenced by tridymite in high-SiO2 sedimentary rock at Gale crater. Proceedings of the National Academy of Sciences of the United States of America (online-published). doi: 10.1073/pnas.1607098113 .
Sacks, L.E., Edgar, L.A., Edwards, C.S., Anderson, R.B. (2016) Grain-Scale Analyses of Curiosity Data at Marias Pass, Gale Crater, Mars: Methods Comparison and Depositional Interpretation. American Geophysical Union, Fall General Assembly 2016, abstract id.P23B-2166.


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