Poornachandra Rao, G. V. S.; Bhalla, M. S. (1996) Magnetostratigraphy of Vindhyan Supergroup. Journal Geological Society of India, 47 (1). 29-32 doi:10.17491/jgsi/1996/470114
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Magnetostratigraphy of Vindhyan Supergroup | ||
| Journal | Journal Geological Society of India | ||
| Authors | Poornachandra Rao, G. V. S. | Author | |
| Bhalla, M. S. | Author | ||
| Year | 1996 (January 1) | Volume | 47 |
| Page(s) | 29-32 | Issue | 1 |
| Publisher | Geological Society of India | Place | Bangaluru, India |
| URL | |||
| DOI | doi:10.17491/jgsi/1996/470114Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 19251014 | Long-form Identifier | mindat:1:5:19251014:5 |
| GUID | 0 | ||
| Full Reference | Poornachandra Rao, G. V. S.; Bhalla, M. S. (1996) Magnetostratigraphy of Vindhyan Supergroup. Journal Geological Society of India, 47 (1). 29-32 doi:10.17491/jgsi/1996/470114 | ||
| Plain Text | Poornachandra Rao, G. V. S.; Bhalla, M. S. (1996) Magnetostratigraphy of Vindhyan Supergroup. Journal Geological Society of India, 47 (1). 29-32 doi:10.17491/jgsi/1996/470114 | ||
| In | (1996, January) Journal of the Geological Society of India Vol. 47 (1). Geological Society of India | ||
| Abstract/Notes | Abstract In the absence of conventional radiometric dating and fossil evidence, magnetostratigraphy is considered to be a very powerful tool to correlate rock formations. Often the magnetozones are used as bench marks in correlation of rocks as the geomagnetic field reversals are ubiquitously synchronous. The Vindhyan sedimentation in the Indian stratigraphy represents a very important time period between 1400-400Ma with lithounits quite suitable for recovering the geomagnetic field signatures. With the recently obtained results from the Senui Group, palaeomagnetic field during the main Vindhyan Groups namely the Semri, Kaimur, Rewa and Bhander periods is available. It is quite interesting to note that all the formations investigated from these groups reveal both normal and reversed polarities of the palaeomagnetic field. Using this information a magnetic polarity time scale (GPTS) is constructed for the Vindhyan Supergroup during the late Proterozoic. When correlated with the Russian magnetostratigraphic scale for the Riphean period, it is noticed that the geomagnetic field during the late Proterozoic is similar to that of the Phanerozoic with superchrons at some periods and frequent reversals at others throughout the Precambrian. | ||
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