Palynostratigraphy of the Tertiary Sedimentary Formations of Assam: 2. Stratigraphic significance of Spores and Pollen in the Tertiary Succession of Assam

S.C.D. Sah; S.K. Dutta

doi:10.54991/jop.1967.518

Authors

S.C.D. Sah Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow 226007, India
S.K. Dutta Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow 226007, India

DOI:

https://doi.org/10.54991/jop.1967.518

Abstract

Inspite of extensive geological work, our knowledge of the Tertiary sequence of Assam remains incomplete, because of the limited range of rock types, rarity of marker beds, paucity of invertebrate fossils and absence of reliable plant megafossils. Bio-stratigraphic studies taken up by the authors have furnished definite evidence that Palynological assemblages of the different formations (stages) of the Tertiary sequence of Assam include taxa which can be potentially used in dating and correlation. The distribution chart of the characteristic palynological taxa from the different sedimentary groups of the Tertiary sequence amply demonstrate the principles of stratigraphical palynology and the value of these guide fossils in dating, classifying and correlating the Tertiary formations in Assam.

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References

Baksi SK 1962. A note on the microflora from Surma (Miocene) of Garo Hills, Assam. Bull. geol. Soc. India. 26: 1-21.

Idem 1965. Stratigraphy of Barail Series in Southern part of Shilling Plateau, Assam, India. Bull. Amer. Ass. Petrol. Geol. 49 (12): 2282-2288.

Banerjee Debashis 1964. A note on the microflora from Surma (Miocene) of Garo Hills, Assam. Bull. geol. min. metal. Soc. India. 29: 1-7.

Idem 1964. A note on polospores from Tura formation, Simsang river section, Assam. Ibid. 32: 1-4.

Biswas Budhdev 1962. Stratigraphy of the Mohadeo, Langpar, Cherra and Tura Formations. Assam, India. Ibid. 25: 1-48.

Bolkovitina NA 1961. Fossilized and modern spores of family Schizaeaceae. Acad. Sci. S.S.R. geol. Inst. 40: 1-132.

Bose MN & Sah SCD 1964. Fossil plant remains from Laitryngew, Assam. The Palaeobotanist 12 (3): 220-223. https://doi.org/10.54991/jop.1963.655

Cookson IC 1947. Plant microfossils from the lignites of Kerguelen Archipelago. B.A.N.Z. Antarctic Res. Exp. 1929-31. Reports Ser. A. 2: 127-142.

Cookson IC & Pike KM 1954. Some dicotyledonous pollen types from Cainozoic deposits in the Australian region. Aust. J. bot. 2 (2): 197-219.

Cookson IC & Dietmann ME 1959. On Schizosporis, a new form genus from Australian Cretaceous deposits. Micropalaeontology, 5 (2): 213-216.

Couper RA 1953. Upper Mesozoic and Cainozoic spores and pollen grains from New-Zealand. Palaeont. Bull. N.Z. 22: 5-77.

Idem 1955. Supposedly colpate pollen grains from the Jurassic. Geol. Mag. 92 (6): 471-475.

Idem 1960. New-Zealand Mesozoic and Cainozoic plant microfossils. Palaeont. Bull. N.Z. 32: 5-81.

Dettman ME 1963. Upper Mesozoic microfloras from South Eastern Australia. Proc. R. Soc. Vict. 77 (1): 1-148.

Ghosh AK & Banerjee D 1963. Pteridophytic spores (other than Parkeriaceae und Schizaeaceae) from the Tertiary of Assam, India. Pollen Spores, 5 (2): 413-423.

Hedberg O 1946. Pollen morphology in the genus Polygonum L.S. Lat. And its taxonomical significance. Svensk bot. Tidskr. 40 (4): 371-404.

Kuyl OS., Muller J & Waterbolk 1955. The application of palynology to oil geology with reference to Western Venezuela. Geol. Mijnbouw. 17 (2): 49-75.

Potonie Robert 1931. Pollenfromen der miocanen Braunkohle (2. Metteil). S.B. Ges. Naturf. Fr. Berlin.

Idem 1934. Zur Morphologie der fossilen pollen und sporen. Arb. Inst. Palaob. Petr. Brennsteine. 4: 5-24.

Idem 1934. Zur Mikrobotanik des eocanen Humodils des Geiseltals. Ibid. 4: 25-125.

Idem 1956. Synopsis der Gattungen der Sporae dispersae I. Beih. Geol. Jb., 23: 1-103

Idem 1958. Synopsis der Gattungen der Sporae dispersae II. Ibid. 31: 1-14.

Idem 1960 Synopsis der Gattungen der Sporae dispersae III. Ibid. 39: 1-189.

Idem 1960. Sporologie der eozanen Kohle von Kalewa in Burma. Senckenbergiana. 41 (1/6): 462-467.

Potonie Robert Thomson PW & Thiergart Frantz 1950. Zur Nomenclature und Klassification der neogenen Sporomorphae (Pollen und Sporen). Geol. Jb. 65: 35-70.

Ramanujam CGK 1966. Palynology of the Miocene lignite from South Arcot District, Madras. Pollen et Spores. 8 (1): 149-203.

Rao AR & Vimal KP 1952. Preliminary observations on the plant microfossil contents of some lignites from Warkalli in Travancore. Curr. Sci. 21: 302-305.

Ross NE 1949. On a cretaceous pollen and spore bearing clay deposit of Scania. Bull. geol. Inst. Univ. Upsala 34: 24-43.

Rouse GE 1957. The application of a new nomenclature approach to Upper Cretaceous plant microfossils from Western Canada. Canad. J. Bot. 35: 349-373.

Sah SCD & Dutta SK 1966. Palyno-stratigraphy of Tertiary sedimentary formations of Assam: 1. Stratigraphical position of the Cherra formation. Palaaeobotanist. 15 (1-2): 72-86.

Sah SCD 1967. Palynology of a Upper Neogene Neogene profile from Rusizi Valley, Burundi. Ann. Mus. R. Afriq. Centr. Tervuren. Ser. 8°, 57: 1-73.

Sahni B, Sithholey RV & Puri GS 1947. Palaeobotany in India-6: Correlation of the Tertiary succession in Assam by means of microfossils. J. Indian bot. Soc. 26 (4): 261-263.

Selling OH 1948. Studies in Hawaiian Pollen statistics: The pollens of the Hawaiin Phanerograms. Pt. II. Bishop Museum, Honolulu Pub. 38: 1-430.

Idem 1947. Further studies in Schizaea. Svensk bot. Tidskr. 41 (4): 431-450.

Singh P. 1952. Microfossils from an oil shale of Saline series in the Fatehpur Maira Gorge, Salt Range, Punjab. The Palaeobotanist 1: 417-419. https://doi.org/10.54991/jop.1952.419

Thiergart F 1938. Die Pollenflora der Nieder-lausitzer Braunkohle. Jb. Preuss geol., L.A. (1937). 58: 282-351.

Idem 1940. Die Mikropalaontologie als pollen-analyse. Brennstoff-Geol. 13: 1-82.

Thomson PW & Pflug H 1953. Pollen und sporen des Mitteleuropalschen Tertiars. Palaeontogrophica. (B) 94: 1-138.

Tranverse A 1955. Pollen analysis of the Brandon lignite of Vermont. U.S. Dep. Bur. Min. 5151: 1-107.

Vimal KP 1953. Tertiary spores and pollen from Warkalli lignites, Travancore. Proc. Indian Acad. Sci. 38: 195-210.

Weyland H & Greifeld G 1953. Uber Strukturbietende Blatter und Pflanzliche Mikrofossilein aus den Untersenonen Tonen der Gegend Von Quelinburg. Palaeongraphica. (B) 95: 30-52.

Wodehouse RP 1933. Tertiary pollen-II. The oil shales of the Green River formation. Bull. Torrey bot. Cl. 60: 479-524.