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Goswami, Shreerup
- Palynological Resolution of Permian Sequence in Ib-River Coalfield, Orissa and its Environmental Significance
Abstract Views :192 |
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Authors
Affiliations
1 P.G. Department of Environmental Sciences, Fakir Mohan University, Vyasa Vihar, Balasore -756 019, IN
1 P.G. Department of Environmental Sciences, Fakir Mohan University, Vyasa Vihar, Balasore -756 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 70, No 1 (2007), Pagination: 131-142Abstract
The Ib-River coalfield, a part of Mahanadi Master Basin has rich deposit of Lower Permian Barakar coal. The palynological analysis of sediments from this coalfield has revealed the presence of distinct palynoassemblages. These assemblages represent Permian sequence from Lower Barakar (Early Permian) to Lower Kamthi (Late Permian) sediments. The present palynological studies help in redefining the status of Barakar and Kamthi Formations and in classifying them. Here the palynological assessment has been compared with the megafossil work of the author. Based on the palaeobotanical data, the stratigraphy of this coalfield has been proposed and the environment during Permian time has been discussed in this paper.Keywords
Palynology, Ib-River, Environment, Kamthi, Barakar, Mahanadi Basin, Orissa.
- Megafloral Assemblage Similar to Karharbari Biozone from Talchir Coalfield of Mahanadi Basin, Orissa
Abstract Views :214 |
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Authors
Affiliations
1 Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow - 226 007, IN
2 Department of Environmental Sciences Fakir Mohan University, Vyasa Vihar Balasore - 756 019, IN
1 Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow - 226 007, IN
2 Department of Environmental Sciences Fakir Mohan University, Vyasa Vihar Balasore - 756 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 68, No 2 (2006), Pagination: 277-287Abstract
A rich collection of plant megafossils have been studied from the rocks of Karharbari Formation (Early Permian=Lower Artlnskian) at South Balanda Colliery (Latitude 20° 56' Longitude 85° 14'), Talcher Coalfield, Angul dlsmct, Orissa The lower Gondwana rocks tn this coalfield have been represented by Talchir, Karharbari,Barakar, Barren Measures and the Kamthi Formations (in ascending order) represented earliest Permian to Late Permian Palaeobotanical studies have been extensively carried out in the past by a number of workers in almost all the Lower Gondwana formations except the Karharban Formation Megafloral assemblage has been recovered for the first time from Karharban sediments of the Lower Gondwana deposits in this coalfield
The specimens are preserved as impressions and compressions on blackish grey fine-grained shales of the South Balanda Colliery exposed just above the carbonaceous shales The lowermost coal seam ie seam no 1/ Karharbari seam of this coalfield exists below the above-mentioned two shale bands The megafloral assemblage consists of Phyllotheca westensis, Noeggerathiopsis hislopn, Euryphyllurm whittianum, E malthyi, Macrotaemopteris feddenr, Bunadla heterophylla, Glossopterrs browniana,G communis, Gangamopteris cyclopteroides and Surangephyllurn elongaturn The genus Bunadra dominates the total assemblage (about 80%) The assemblage has been compared thoroughly with the known megafloral assembIages of Karharbari Formation.
Keywords
Megafloral assemblages, Karharbari, Lower Gondwana, Buriadia Mahanadi Basin, South Ballanda colliery, Angul district, Orissa.- Record of Lower Gondwana Megafloral Assemblage from the Nand Coalfield, Wardha Basin, Nagpur District, Maharashtra
Abstract Views :219 |
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Authors
Affiliations
1 Birbal Sahni lnstitute of Palaeobotany, 53, University Road, Lucknow - 226 007, IN
1 Birbal Sahni lnstitute of Palaeobotany, 53, University Road, Lucknow - 226 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 66, No 3 (2005), Pagination: 293-302Abstract
A rich collection of Lower Gondwana mega-Plant fossils have been recorded from the outcrops exposed along the Kharkhara Nala section in Nand coalfield, Nagpur District, Maharashtra, mapped as Lameta Formation. The Lower Gondwana rocks are deposited mainly in Nagpur, Chandrapur and Yeotmal Districts of Maharashtra. Palaeobotanical investigations (megafloral and xylotomical) so far known from Wardha Valley are mostly confined to Barakar and Kamthi Formations. Megafloral assemblage very similar to assemblage of Karharbari Formation has been recovered for the first time from the Lower Gondwana beds exposed in the Nand coalfield. The plant assemblage consists of two species of Gangamopteris, one species each of the genera Buriadia, Noeggerathiopsis and Allatocarpus along with the genus Glossopteris represented by seven species. The conifer genus Buriadia dominates the flora (17 72%) followed by Glossopteris communis (16 46%). The sediments were also investigated for the purpose of palynology but no pollen and spore types could be recovered. An Early Permian age has been assigned on the basis of overall assemblage.Keywords
Lower Gondwana, Mega Flora, Nand Coalfield, Nagpur District, Maharashtra.- First Report of Genus Gangamopteris from Gondwana Sediments of Ib-River Coalfield, Orissa
Abstract Views :225 |
PDF Views:2
Authors
Affiliations
1 Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow - 226 007, IN
2 PG Department of Environmental Sciences, Fakir Mohan University, Vyasa Vihar, Balasore - 756 019, IN
1 Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow - 226 007, IN
2 PG Department of Environmental Sciences, Fakir Mohan University, Vyasa Vihar, Balasore - 756 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 68, No 5 (2006), Pagination: 893-905Abstract
The flora from the Early Permian sediments (Barakar Formation) exposed in Jurabaga and Lajkura Collieries in the Ib-River Coalfield of the Mahanadi Basin includes nineteen genera representing eight groups viz lycopodiales, equlsetales, sphenophylales, filicales cordaitales, coniferales ginkgoales, and glossoptendafes. The genus Gangamopteris reported for the first time from Ib-River Coalfield and has been studied in this per. It is represented by seven species viz G angustlfalia, G buriadica, G cyclopteroides, G hispida, G rajaensis, G major and G obtusifolia and constitutes about 4 23% of the total plant assemblage collected from this coalfield. The species G cyclopteroides rests at the top with a share of 3 1 43% followed by G buriadica (22 86 %) in this coalfield. The beds of Jurabaga and Lajkura Collienes have been assessed as Early Barakar and Late Barakm on the basis of two different kinds of floral zones (lower and upper) found preserved in them.Keywords
Gondwana Sediments, Gangamopteris, Barakar Formation, Ib-River, Mahanadi Basin, Orissa.- Bhagat Prasad Patra (1942-2006)
Abstract Views :155 |
PDF Views:109
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 71, No 1 (2008), Pagination: 150-150Abstract
No Abstract.Full Text
- In situ Occurrence of Vertebraria Roots in the Raniganj formation of Singrauli Coalfield and its Palaeoecological Significance
Abstract Views :297 |
PDF Views:131
Authors
Affiliations
1 Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226 007, IN
2 Department of Geology, Ravenshaw University, Cuttack 753 003, IN
1 Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226 007, IN
2 Department of Geology, Ravenshaw University, Cuttack 753 003, IN
Source
Current Science, Vol 110, No 3 (2016), Pagination: 299-301Abstract
No Abstract.Full Text
- Possible Ediacaran discs from the Paniam Quartzite, Kurnool Group, South India
Abstract Views :215 |
PDF Views:88
Authors
Affiliations
1 Birbal Sahni Institute of Palaeosciences, 53 University Road, Lucknow 226 007, India; Department of Earth Sciences, Sambalpur University, Jyoti Vihar, Burla, Sambalpur 768 019, IN
2 Birbal Sahni Institute of Palaeosciences, 53 University Road, Lucknow 226 007, IN
3 Department of Earth Sciences, Sambalpur University, Jyoti Vihar, Burla, Sambalpur 768 019, India; Present address: Department of Geology, Utkal University, Vani Vihar, Bhubaneswar 751 004, IN
1 Birbal Sahni Institute of Palaeosciences, 53 University Road, Lucknow 226 007, India; Department of Earth Sciences, Sambalpur University, Jyoti Vihar, Burla, Sambalpur 768 019, IN
2 Birbal Sahni Institute of Palaeosciences, 53 University Road, Lucknow 226 007, IN
3 Department of Earth Sciences, Sambalpur University, Jyoti Vihar, Burla, Sambalpur 768 019, India; Present address: Department of Geology, Utkal University, Vani Vihar, Bhubaneswar 751 004, IN
Source
Current Science, Vol 122, No 8 (2022), Pagination: 885-887Abstract
No Abstract.Keywords
No keywordsFull Text
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