Draft:Muth Formation

The Muth Formation is a geological formation located in Himachal Pradesh and Uttarakhand of India that date back to the Middle Devonian epoch.[1][2&

Draft:Muth Formation
Muth Formation
Stratigraphic range: Middle Devonian 394.3–382.1 Ma
TypeGeologic formation
UnderliesJumbuodiyar Formation, Lipak Formation
OverliesTakche Formation, Variegated Formation
ThicknessVaries between 258–300 m (846–984 ft)
Lithology
PrimarySandstone
OtherMudstone
Location
RegionSpit, Zanskar, Kumaun, and Garhwal
CountryIndia
ExtentHimachal Pradesh, Uttarakhand
Type section
Named forMuth Village, India
Muth Formation is located in India
Muth Formation
Muth Formation
Muth Formation
Muth Formation
Muth Formation (India)

The Muth Formation is a geological formation located in Himachal Pradesh and Uttarakhand of India that date back to the Middle Devonian epoch.[1][2]

Paleobiota

Arthropods

Indeterminate cheliceratan arthropods trackways are known from the formation.[3]

Genus Species Location Stratigraphic position Material Notes Images
Diplichnites[4] D. gouldi Trackways Either made by Trilobites or other arthropods.
Diplododichnus[4] D. biformis Trackway
Palmichnium[4] P. antarcticum Trackway Often associated with Eurypterids.
Selenichnites[4] S. sp. Trackway Often associated with Xiphosurans.

Molluscs

Genus Species Location Stratigraphic position Material Notes Images
Orthoceratidae[5] Poorly preserved shell. A Orthoceratidae Molluscs.

Brachiopods

Genus Species Location Stratigraphic position Material Notes Images
Orthis[6] O. aff. rustica A Orthidae Brachiopod.

References

  1. ^ "Muth Formation". indplex.geolex.org. Retrieved 2026-03-04.
  2. ^ Fuchs, G. (Jun 1982). "The Geology of the Pin valley in Spiti, H. P., India". Jahrbuch der Geologischen Bundesanstalt. 124 (2): 325–359.
  3. ^ Bhargava, Om N.; Bassi, U. K. (1988). "Trace fossils from the Palaeozoic-Mesozoic sequences of Spiti-Kinnaur (Himachal Pradesh) with comments on paleoenvironment control of their frequency". Journal of the Geological Society of India. 32 (3): 47–68.
  4. ^ a b c d Draganits, E.; Brady, S. J.; Briggs, D. E. G. (2001). "A Gondwana Coastal Arthropod Ichnofauna from the Muth Formation (Lower Devonian), Northern India: Paleoenvironment and Tracemaker Behaviour". Palaios. 16: 126–147. doi:10.1669/0883-1351(2001)016<0126:AGCAIF>2.0.CO;2.
  5. ^ Ameta, S.S. and Gaur, R.K. (1980). "New fossil find from the Muth Quartzite, Lahaul and Spiti district, Himachal Pradesh, India". Bulletin of Indian Geologists Association, 13(1): 73-76
  6. ^ Bassi, U. K. (1988). "Orthis aff. rustica from the Devonian quartzarenite of the Muth Formation, Khimku La (Kinnaur), Himachal Himalaya". Current Science, 37(6): 329-331.

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