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Singh, Abha

The Earliest Marine Transgression in Western India:New Insights from Calcareous Nannofossils from Lathi Formation, Jaisalmer Basin

Abstract Views :340 | PDF Views:189

Authors

Jyotsana Rai ¹, Sunil Bajpai ¹, Ravindra Kumar ², Abha Singh ¹, Krishna Kumar ², Neeru Prakash ¹

Affiliations
1 Birbal Sahni Institute of Palaeosciences, 53, University Road, Lucknow 226 007, IN
2 Geological Survey of India, Jaipur 302 004, IN

Source

Current Science, Vol 111, No 10 (2016), Pagination: 1631-1639

Abstract

We report the first record of an age-diagnostic, but depauperate assemblage of calcareous nannofossils, an exclusively marine phytoplankton group, from the Lathi Formation of Jaisalmer Basin, western India. The nannofossil evidence, precisely constrains the age of the Lathi Formation, traditionally considered to be a Bajocian (Middle Jurassic) continental deposit. Furthermore, the presence of several reworked nannofossil taxa of Pliensbachian, Toarcian and Aalenian ages suggests that the earliest epeiric sea transgressed western India during the Early Jurassic. Thick and luxuriant gymnosperm forests proliferated in the Jaisalmer Basin during this time. The presence of calcareous nannofossils in both the lower and upper members of the Lathi Formation (Odania and Thaiat members) points to intermittent coastal marine depositional environment.

Keywords

Calcareous Nannofossils, Early-Middle Jurassic, Jaisalmer Basin, Lathi Formation.

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References

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In Conflict and Custody:Therapeutic Counselling for Women

Early Oligocene (Rupelian) Dinoflagellate Cysts and Calcareous Nannofossils from Lumpy Clay Member of Maniyara Fort Formation, Kutch, Gujarat, India

Abstract Views :242 | PDF Views:73

Authors

Poonam Verma ¹, Abha Singh ¹

Affiliations
1 Birbal Sahni Institute of Palaeosciences, 53-University Road, Lucknow 226 007, IN

Source

Current Science, Vol 116, No 9 (2019), Pagination: 1571-1580

Abstract

The Palaeogene succession of Kutch, Gujarat exhibits huge shallow marine carbonate deposits of Middle Eocene and Oligocene ages. These deposits were mainly dated on the basis of larger benthic foraminifers. The paucity of foraminifers in the intermittent units of the succession resulted in discrepancy in precise dating of these strata. Lumpy Clay Member of Maniyara Fort Formation is one such example. This is considered as unfossiliferous in terms of foraminifers and was dated on the basis of foraminiferal assemblages of underlying Basal and overlying Coral Limestone members. In the present study, palynological biostratigraphy is proposed for the Lumpy Clay Member exposed at Bermoti Village, in Kutch. On the basis of age-diagnostic calcareous nannofossil and dinoflagellate cyst assemblages, the studied succession has been dated as Middle Rupelian (~31 Ma). The palynological data suggests a shallow marine neritic depositional setting, occasionally swept by open oceanic water.

Keywords

Calcareous Nannofossils, Dinoflagellate Cysts, Kutch, Lumpy Clay Member, Maniyara Forth Formation, Rupelian.

Full Text

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Engendering Finger Millet-Based Value Chains for Livelihood and Nutritional Security of Women in Agriculture

Abstract Views :213 | PDF Views:74

Authors

J. Charles Jeeva ¹, Kushagra Joshi ², Abha Singh ¹, B. C. Behera ¹

Affiliations
1 ICAR-Central Institute for Women in Agriculture, Bhubaneswar 751 003, IN
2 ICAR-Vivekananda Parvatiya Krishi Anusandhan Sansthan, Almora 263 601, IN

Source

Current Science, Vol 116, No 11 (2019), Pagination: 1893-1896

Abstract

Gender analysis along the agricultural value chain enhances our understanding about the roles performed by men and women in the value chain and in forward and backward linkages, their access to productive resources, opportunities available for valueaddition and benefit sharing, both as individuals and group enterprises. The gender roles in finger milletbased value chains and the constraints faced by women in existing finger millet value chains in Tamil Nadu, Karnataka and Odisha have been documented in this study. Along the value chains, women were found only as farmers, petty traders or labourers in processing units. However, the entry points for women in finger millet value chain have been identified. The role of women in the value chain could be strengthened by mobilizing them into clusters, establishing milletprocessing units, and forming forward and backward linkages.

Keywords

Gender, Finger Millet, Value Chain, Livelihood, Nutritional Security.

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