Noen Phu Yai Yua Fm
Period:
Triassic
Age Interval:
Late Triassic (12)
Province:
SE Thailand: Klaeng Zone
Type Locality and Naming
Type locality: Named after the priest- campsite Noen Phu Yai Yua (now called Priestcampsite Pha Sing), about 6 km west of Chanthaburi town; rock succession is well exposed in excavated pit. Upper formation in the Chanthaburi Gr.
Synonym: หมวดหินเนินผู้ใหญ่เยื่อ
Lithology and Thickness
Dark-grey, well-bedded turbiditic sandstones interbedded with shale. Thickness: 250 m
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Lies conformably on the Pong Nam Ron Fm (conformably)
Upper contact
Not given
Regional extent
Chanthaburi area (where near the Gulf of Thailand), SE Thailand (Sukhothai Zone extension).
[Figure: Generalized distribution of marine Triassic sedimentary rocks in Thailand (in purple) (modified after Mantajit 1999, by Chonglakmani C., 2011, page 138).]
GeoJSON
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Fossils
Age
Implied by Fig. 6.2 in Chonglakmani (2011) to span approximately the middle Carnian through Norian.
Age Span:
Beginning stage:
Carnian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
232.73
Ending stage:
Rhaetian
Fraction up in the ending stage:
0
Ending date (Ma):
209.56
Depositional setting
Outer submarine fan deposits (Turbidite sands interbedded with shale)
Depositional pattern:
Additional Information
Remarks: It was originally spelt Noen Poo Yai Yue but informal name.
Compiler:
Wen Du - modified from- Chonglakmani, C.P., 2011, Chapter 6 Triassic in Ridd, M.F., Barber, A.J., and Grow, M.J., editors, The Geology of Thailand, Geol. Soc. of London.；Lexicon of Stratigraphic Names of Thailand of 2013.