Some more fossil woods from the Lower Siwalik sediments of Kalagarh, Uttar Pradesh and Nalagarh, Himachal Pradesh

Yadav, R.R.

doi:10.54991/jop.1988.1600

Cited by 8 publications

(8 citation statements)

References 6 publications

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“…Among the fossil species of Dipterocarpoxylon already known from the Indian subcontinent. the present fossil cannot be differentiated from D. kalagarhensis Yadav, reported from the Lower Siwalik sediments of Kalagarh, Pauri Garhwal District, Uttaranchal (Yadav, 1989). Therefore, it is placed under the same species.…”

Section: (Pi 21-5)contrasting

confidence: 54%

Fossil woods from Upper Tertiary sediments of Jammu region (Jammu & Kashmir) North-West India and their significance

Guleria¹,

Gupta

Srivastava³

2001

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Petrified dicotyledonous woods are reported for the first time from the Middle Siwalik sediments of Jammu region (Jammu & Kashmir) in the northwestern part of India. The fossil woods resembling modem woods of Dipterocarpus Gaertn.f. (Dipterocarpaceae), Bischofia Blume (Euphorbiaceae), Cassia Linn. and Kingiodendron (Roxb.) Harms (Leguminosae) have been described in detail. Based on the distribution of comparable extant genera and species, prevalence of humid climate and existence of a mixed lowland tropical forest, comprising moist deciduous to evergreen elements, in the area have been deduced. Evidently Bischofia, Dipterocarpus and Kingiodendron existed in the Jammu region during the Late Tertiary time and subsequently shrunk in their distribution due to climatic change. They no longer grow in the area as they require more humid conditions. The occurrence of Dipterocarpus is particularly noteworthy as it extends the limit of Dipterocarpaceae in the geological past as far west as Jammu region in the north-west India. The arboreal C3 forms show that the landscape was well forested.

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Section: (Pi 21-5)contrasting

confidence: 54%

Fossil woods from Upper Tertiary sediments of Jammu region (Jammu & Kashmir) North-West India and their significance

Guleria¹,

Gupta

Srivastava³

2001

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“…Most of the palaeobotanical work has been done during the last two and half decades from the different localities mainly in the central sector of Siwalik (Prasad, 2008). However, in the western Siwalik sector (Himachal Pradesh) a little work has been done mainly in the Siwalik of the Nalagarh (Prakash, 1975(Prakash, , 1979Yadav, 1989) Jawalamukhi and Ranital (Ghosh & Ghosh, 1958;Lakhanpal, 1967Lakhanpal, , 1968Lakhanpal, , 1969Lakhanpal & Dayal, 1966;Lakhanpal & Awasthi, 1992) and Bilaspur (Prasad, 2006).…”

Section: Introductionmentioning

confidence: 99%

First record of fossil leaves from Siwalik (Upper Miocene) sediments of Mandi District, Himachal Pradesh, India: palaeoclimatic and phytogeographical implications

Prasad¹,

Mohan

Singh³

2013

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Six fossil leaf impressions comparable with extant taxa, Gynocardia odorata R.Br. (Flacourtiaceae), Millettia pachycarpa Benth. and Cynometra polyandra Roxb. (Fabaceae), Ventilago calyculata Tul. (Rhamnaceae), Terminalia tomentosa (Roxb.) W. & A. (Combretaceae) and Daemonorops calycarpus Mart. (Arecaceae) have been reported for the first time from Siwalik sediments exposed near Sarkaghat in Mandi District of Himachal Pradesh. All species are presently distributed in the tropical evergreen to moist deciduous forests of north-east India and south-east Asia. Their occurrence in the Siwalik sediments suggests that tropical humid climate with high precipitation prevailed in the area during Upper Miocene. The occurrence of palm leaf in the area is of ecologically importance as it indicates a characteristic feature of tropical vegetation where the temperature and humidity remain high throughout the year.

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“…Since then a large number of species of Dipterocarpus have been described from many Neogene localities of India (Ghosh & Roy. 1979;Trivedi & Ahuja, 1980;Prakash, 1981;Guleria, 1983Guleria, , 1996Yadav, 1989;Awasthi & Mehrotra, 1993, 1997Antal et al, 1999). After a detailed comparison with all these species it was found that our fossil is closely comparable with Dipterocarpoxylol/ bolpurellse Ghosh & Roy (1979).…”

Section: Discussionmentioning

confidence: 99%

Wood of Dipterocarpus from a new locality of the Champanagar Formation of Tripura, India

Mehrotra¹,

Bhattacharya²

2002

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Some more fossil woods from the Lower Siwalik sediments of Kalagarh, Uttar Pradesh and Nalagarh, Himachal Pradesh

Cited by 8 publications

References 6 publications

Fossil woods from Upper Tertiary sediments of Jammu region (Jammu & Kashmir) North-West India and their significance

Fossil woods from Upper Tertiary sediments of Jammu region (Jammu & Kashmir) North-West India and their significance

First record of fossil leaves from Siwalik (Upper Miocene) sediments of Mandi District, Himachal Pradesh, India: palaeoclimatic and phytogeographical implications

Wood of Dipterocarpus from a new locality of the Champanagar Formation of Tripura, India

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