Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Trilobite and Other Trace Fossils from the Kunzam La Formation, Eastern Lahaul Valley, Himachal Himalaya


Affiliations
1 529, Sector 18B, Chandigarh 160 018, India
2 1116, 10th Cross, BSK, 1st Stage, Bangalore 560 050, India
     

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Trilobite locomotion trail Isopodichnus sp., swimming grazing trace Monomorphichnus sp. and resting trace Rusophycus didymus are recorded from the siltstone-shale-quartzarenite sequence of the Kunzam La Formation (Cambrian) from the eastern Lahaul Valley, Himachal Himalaya. Besides these, a ringed conical ichnocoenosis is also reported.

The trilobite traces belong to Cruziana 'facies' which is characteristic of stable infra-littoral to circa-littoral zones. The presence of Rusophycus suggests a rather low energy environment.


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  • Trilobite and Other Trace Fossils from the Kunzam La Formation, Eastern Lahaul Valley, Himachal Himalaya

Abstract Views: 202  |  PDF Views: 2

Authors

O. N. Bhargava
529, Sector 18B, Chandigarh 160 018, India
S. V. Srikantia
1116, 10th Cross, BSK, 1st Stage, Bangalore 560 050, India

Abstract


Trilobite locomotion trail Isopodichnus sp., swimming grazing trace Monomorphichnus sp. and resting trace Rusophycus didymus are recorded from the siltstone-shale-quartzarenite sequence of the Kunzam La Formation (Cambrian) from the eastern Lahaul Valley, Himachal Himalaya. Besides these, a ringed conical ichnocoenosis is also reported.

The trilobite traces belong to Cruziana 'facies' which is characteristic of stable infra-littoral to circa-littoral zones. The presence of Rusophycus suggests a rather low energy environment.