Abstract
CRAWFORD1 has discussed the possible impact origin of the Ramgarh structure in Rajasthan State, India. He mentioned the find of a shatter coned specimen in the colluvium near the centre of the structure. On the other hand, Auden2 has commented that the structure may be a kimberlite type of intrusion into the Upper Vindhyans similar to that at Majhgawan in Madhya Pradesh, India. No detailed work has so far been attempted to prove the origin of the structure. The area was visited by Mallet3 and first mapped on a small scale (1 : 63,360) by Kishen Singh (unpublished). But neither give any conclusive evidence to explain the origin of the anomalous structure.
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References
Crawford, A. R., Nature, 237, 96 (1972).
Auden, J. B., Comm. Geol. Surv. India.
Mallet, F. R., Mem. Geol. Surv. India, 7, 129 (1869).
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BALASUNDARAM, M., DUBE, A. Ramgarh Structure, India. Nature 242, 40 (1973). https://doi.org/10.1038/242040a0
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DOI: https://doi.org/10.1038/242040a0
