1996-97 - Birbal Sahni Institute of Palaeobotany

1996-97
in progress. Photomicrography of characteristic macerals from the coal samples of
bore-holes TRS-15, 16, TRM-3 and some outcrop samples has been carried out.
Presence of f1uorinite, exsudatinite, suberinite, sporangia, resin infilled spores and
portions of the transverse section of leaves were observed. A well-preserved megaspore
exine of laevigate nature measuring 1.856 flm has also been recorded. In some samples
good preservation of cell walls in fusinite was seen. Apart from the primary and
secondary cell walls, possible preservation of middle lamella in some of the plant
tissues was also observed.
Number of samples from bore-hole TRDM-I were processed for petrological
study. The thermally metamorphosed vitrinite (R" max. 3.0%) along with the formation
of numerous vacuoles due to a dolerite intrusion was observed. On the basis of the
unaffected nature of the pyrite, it is suggested that the temperature might have gone up
to about 500"C during the injection of the dyke.
Collected coal and carbonaceous shale samples from bore-holes TRDM-2 and
TRSS-I and various outcrop sections for organic petrological studies.
PROJECT 3
CE OZOIC PLANT BIOGEOGRAPHY OF PENINSULAR
INDIA
Programme 3.2
J.S. Gulcria
Studies on the Tertiary
floras of western India
I. Cross seclion of a palm wood
from Deccan Inrcrtraps of Kutch showing
rnuci lage canals and fibrovascular bundle.
x 100: 2. longitudinal section showing
tyloses in vessels and mucilage canal in a
lepidoc