Granite belts in Thailand: evidence from the 40Ar/39Ar geochronological and geological syntheses

Charusiri, Punya; Clark, Alan H.; Farrar, Edward; Archibald, Douglas A.; Charusiri, B.

doi:10.1016/0743-9547(93)90014-g

Cited by 151 publications

(162 citation statements)

References 13 publications

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“…1), with typical strontium concentrations in these granites on the order of 50-200 ppm (Wu and Ishihara 1994). These north-southtrending granite belts generally originated during the Late Triassic to early Jurassic (220-180 million years ago) from partial melting of crustal rocks, and the isotopic data available indicate that they would be a source of much higher ratios (Charusiri et al 1993;Beckinsale et al 1979 Sr/ Sr of 0.775-0.789 (Beckinsale et al 1979). Furthermore, these uplands were the likely sources for stone tools such as adzes and burnishing stones at Khok Phanom Di and may have been traded in by communities occupying these areas (Higham and Thosarat 1994, 96-99).…”

Section: Strontium Isotopesmentioning

confidence: 99%

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Shifting Gender Relations at Khok Phanom Di, Thailand

Bentley¹,

Tayles²,

Higham³

et al. 2007

Current Anthropology

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Section: Strontium Isotopesmentioning

confidence: 99%

“…Sr/ Sr Thailand (Charusiri et al 1993), including areas within 60-100 km southeast of Khok Phanom Di ( fig. 1), with typical strontium concentrations in these granites on the order of 50-200 ppm (Wu and Ishihara 1994).…”

Section: Strontium Isotopesmentioning

confidence: 99%

Shifting Gender Relations at Khok Phanom Di, Thailand

Bentley¹,

Tayles²,

Higham³

et al. 2007

Current Anthropology

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“…Bignell and Snelling, 1977, Cobbing et al, 1992, Liew and Page, 1985and von Braun et al, 1976. Charusiri et al (1993) undertook a broad study of granite belts across Thailand using 40 Ar/…”

Section: Previous Geochronological Studiesmentioning

confidence: 99%

Did Oligocene crustal thickening precede basin development in northern Thailand? A geochronological reassessment of Doi Inthanon and Doi Suthep

Gardiner

Morley

Searle

et al. 2016

Lithos

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The Doi Inthanon and Doi Suthep metamorphic core complexes in northern Thailand are comprised of amphibolite-grade migmatitic gneisses mantled by lower-grade mylonites and metasedimentary sequences, thought to represent Cordilleran-style core complexes exhumed through the mobilization of a low-angle detachment fault. Previous studies have interpreted two metamorphic events (Late Triassic and Late Cretaceous), followed by ductile extension between the late Eocene and late Oligocene, a model which infers movement on the detachment at ca. 40 Ma, and which culminates in a rapid unroofing of the complexes in the early Miocene. The Chiang Mai Basin, the largest such Cenozoic Basin in the region, lies immediately to the east. Its development is related to the extension observed at Doi Inthanon and Doi Suthep, however it is not definitively dated, and models for its development have difficulty reconciling Miocene cooling ages with Eocene detachment movement. Here we present new in-situ LA-ICP-MS and SIMS U-Pb age data of zircon and monazite grains from gneiss and leucogranite samples taken from Doi Inthanon and Doi Suthep. Our new zircon data exhibit an older age range of 221-210 Ma, with younger ages of ca. 72 Ma, and 32-26 Ma. Our monazite data imply an older age cluster at 83-67 Ma, and a younger age cluster of 34-24 Ma. While our data support the view of Indosinian basement being reworked in the Cretaceous, they also indicate a late Eocene-Oligocene tectonothermal event, resulting in prograde metamorphism and anatexis. We suggest that this later event is related to localized transpressional thickening associated with sinistral movement on the Mae Ping Fault, coupled with thickening at the restraining bend of the Mae Yuan Fault to the immediate west of Doi Inthanon. Further, this upper Oligocene age limit from our zircon and monazite data would imply a younger Miocene constraint on movement of the detachment, which, when combined with the previously recorded Miocene cooling ages, has implications for a model for the onset of extension and subsequent development of the Chiang Mai Basin in the early mid-Miocene.

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“…Therefore, the geochronological results indicate that S -type ilmenite -series granitoids associated with Sn mineralization occurred from 253 to 199 Ma in the Truong Son fold belt in Laos. This magmatism of Sn -bearing granitoids are contemporaneous with most of Sn -bearing granites from the Eastern Province (260 -190 Ma) in the Sukhothai tarrane and the Main Range Provinces in the Sibumasu tarrane (230 -180 Ma) in the SE Asian Sn Belt (Edwards and McLaughlin, 1965;Priem et al, 1975;Jones et al, 1977;Ishihara et al, 1980;Hutchison, 1989;Cobbing et al, 1992;Charusiri et al, 1993).…”

Section: Discussion Truong Son Fold Beltmentioning

confidence: 99%

“…The subduction and collision events correspond to granitoids magmatism of the Eastern Province and Main Range Province (Sone and Metcalfe, 2008) in the Southeast (SE) Asian Sn Belt consisting of ilmenite -series granites associated with Sn mineralization (Sn -bearing granites) from northern Thailand to western Indonesia through eastern Myanmar and Peninsula Malaysia (Cobbing et al, 1992;Schwartz et al, 1995). Numerous geochronological data indicate the ages of Snbearing granites in these provinces range from 260 Ma to 190 Ma and from 230 Ma to 180 Ma, respectively (e.g., Jones et al, 1977;Ishihara et al, 1980;Cobbing et al, 1992;Charusiri et al, 1993;Schwartz et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

40Ar/39Ar ages of granitoids from the Truong Son fold belt and Kontum massif in Laos

Sanematsu

Murakami

Duangsurigna

et al. 2011

Journal of Mineralogical and Petrological Sciences

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Geochemical and geochronological studies were conducted on granitoids in central -southern Laos. S -type ilmenite -series granitoids associated with Sn mineralization are distributed in the Truong Son fold belt of central Laos. Plateau ages determined by 40 Ar/ 39Ar incremental heating method for biotite and muscovite of the granitoids range from 253 Ma to 247 Ma and from 244 Ma to 199 Ma in the southwest and northeast of the fold belt, respectively. During this period, the fractionated granites in the early stage are related to mineralization of medium -large Sn deposits. The granitoids of the Truong Son fold belt formed in the Indosinian orogeny are contemporaneous with the Late Permian -Early Jurassic Sn -bearing granites in the Southeast Asian Sn Belt. In contrast, I -type magnetite -series granitoids are distributed in the Kontum massif of southeasternmost Laos. Plateau ages for biotite and previously reported mineral ages of the magnetite -series granitoids range widely from 414 Ma to 252 Ma. The Carboniferous -Permian granitoids represents adakitic characteristics and the Permian adakitic granodiorites are associated with Cu ± Au mineralized quartz veins.

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Granite belts in Thailand: evidence from the 40Ar/39Ar geochronological and geological syntheses

Cited by 151 publications

References 13 publications

Shifting Gender Relations at Khok Phanom Di, Thailand

Shifting Gender Relations at Khok Phanom Di, Thailand

Did Oligocene crustal thickening precede basin development in northern Thailand? A geochronological reassessment of Doi Inthanon and Doi Suthep

40Ar/39Ar ages of granitoids from the Truong Son fold belt and Kontum massif in Laos

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