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Discussion

Rhodophycean algae from the Lower Cretaceous of the Cauvery Basin, South India by P.K. Misra, S. Kishore, S.K. Singh and A.K. Jauhri. Jour. Geol. Soc. India, v.73, 2009, pp.325–334  相似文献   

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Discussion

Quaternary Stratigraphy of the Koratallaiyar-Cooum Basins, Chennai by Hema Achyutnan and Nagalakshmi Thirunavakarasu. Jour. Geol. Soc. India, v.73, 2009, pp.683–696  相似文献   

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Discussion

Synplutonic Mafic Dykes from Late Archaean Granitoids in the Eastern Dharwar Craton, Southern India by M. Jayananda, T. Miyazaki, R.V. Gireesh, N. Mahesha and T. Kano. Jour. Geol. Soc. India, v.73, 2009, pp.117–130  相似文献   

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The further development of Peyve’s concept of deep faults in the Earth’s crust and brittle part of the lithosphere is discussed. Three aspects are accentuated in this paper: (1) the modern definition of the term deep fault; (2) the parameters of deep faults as ruptures of the geological medium and three-dimensional, often boundary, geological bodies; and (3) reactivation of deep faults, including the development of this process in real time. Peyve’s idea of deep faults readily fitted into the concept of new global tectonics (plate tectonics). This was facilitated, first of all, by the extensive efforts made to elaborate Peyve’s ideas by a large group of researchers at the Geological Institute of the Russian Academy of Sciences (GIN RAS) and other scientists. At present, the term deep fault has been extended and transformed to cover three-dimensional geological bodies; the geological and geophysical properties and parameters of these bodies, as well as their reactivation (recurrent activation) in real time, have been studied.  相似文献   

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The age of formation of the Lapstone Monocline has been long considered to be late Pliocene/early Pleistocene (the Kosciusko Uplift) but it is now generally thought to be much older. Palaeomagnetic data from haematite‐rich beds within the Hawkesbury Sandstone on and about the monocline indicate that it formed before the oldest haematite was introduced to these beds. The age of this oldest haematite is 15 ± 7 Ma. On the basis of these data, the age of the monocline is unlikely to be less than 8 Ma, probably exceeds 15 Ma, and could be older than 22 Ma.  相似文献   

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A new fossil leaf impression is described from the Early Miocene sediments of Kasauli–Kalka road section, Himachal Pradesh. The characteristic leaf venation pattern suggests that it has a close affinity with Ficus L., particularly with F. racemosa L. (= F. glomerata Roxb.). Its presence indicates a warm and humid climate in the region during the deposition of sediments, in contrast to the present day cooler and less humid climate.  相似文献   

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Petrology and Geochemistry of Late Archaean Granitoids in the Northern Part of Eastern Dharwar Craton, Southern India: Implications for Transitional Geodynamic Setting by B.C. Prabhakar, M. Jayananda, Mohamed Shareef and T. Kano. Jour. Geol. Soc. India, v.74, 2009, pp.299–317.  相似文献   

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