Hello,
does anyone have some information about the age of the sandstones cropping out in the Tho-Chu (Tho-Chau) island, in SW Vietnam ?
It was first given as "Grés supérieurs" (hence Jurassic-Early Cretaceous), then said to be coeval of Phu-Kok sandstones (Tertiary). Some palynology seems to indicate a Late Cretaceous age, but the assemblage is complex and might indicate some reworking or pollution.
Any hint welcome
thanks
Marc:
This link may offer you some insights:
Best
Syed
https://www.researchgate.net/publication/259495088_Vietnamese_sedimentary_basins_Geological_evolution_and_petroleum_potential
Article Vietnamese sedimentary basins: Geological evolution and petr...
Hello Marc,
in the monograph "Thanh, T.-D. – Khuc, V., eds. (2011): Stratigraphic units of Viet Nam. – 553 pp. Vietnam National University Publisher. Hanoi" here is info, that the Thổ Chu archipelago belongs to the Phu Quoc Formation (page 380-381). If you need, I can send you PDF copy of the mentioned chapter.
B.R.
Richard
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