Combined apatite fission track and (U–Th)/He thermochronometry in a slowly cooled terrane: results from a 3440-m-deep drill hole in the southern Canadian Shield

Lorencak, M.; Kohn, Barry P.; Osadetz, Kirk G.; Gleadow, A. J. W.

doi:10.1016/j.epsl.2004.08.015

Cited by 69 publications

(42 citation statements)

References 26 publications

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“…The (U-Th)/He thermochronometry method has been widely used to study the thermal evolution of orogenic belts. However, the use of (U-Th)/He thermochronometry for the study of sedimentary basins thermal history is less common (House et al, 1999(House et al, , 2002Lorencak et al, 2004). This study applied the (U-Th)/He thermochronometry technique to reveal the thermal history of the Tarim Basin for the first time and obtained good results.…”

Section: Discussionmentioning

confidence: 86%

The Paleozoic tectonothermal evolution of the Bachu Uplift of the Tarim Basin, NW China: Constraints from (U–Th)/He ages, apatite fission track and vitrinite reflectance data

Qiu¹,

Jin²,

Mei³

et al. 2011

Journal of Asian Earth Sciences

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Section: Discussionmentioning

confidence: 86%

The Paleozoic tectonothermal evolution of the Bachu Uplift of the Tarim Basin, NW China: Constraints from (U–Th)/He ages, apatite fission track and vitrinite reflectance data

Qiu¹,

Jin²,

Mei³

et al. 2011

Journal of Asian Earth Sciences

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“…It is now well known that differences in chlorine content can significantly affect the degree of fission track annealing in apatites Carlson et al 1999;Barbarand et al 2003). This can often produce variation in the degree of age reduction of apatite grains within a single sample Crowhurst et al 2002), as well as causing major variation between different samples (Lorencak et al 2004). Thus, in the absence of direct measurements of chlorine contents in the apatites from the Bathurst Batholith studied by O'Sullivan et al (1995O'Sullivan et al ( , 1996, it is possible that much of the variation in fission track age across the region could simply reflect differences in wt% Cl from sample to sample, in which case the variation in thermal history across the region may be even less pronounced than discussed above.…”

Section: Discussion and Replymentioning

confidence: 95%

Apatite (U – Th)/He age constraints on the Mesozoic and Cenozoic evolution of the Bathurst region, New South Wales: evidence for antiquity of the continental drainage divide along a passive margin

2007

Australian Journal of Earth Sciences

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“…Applications to investigate the thermal history of sedimentary basins are rare [40,[52][53][54]. This paper first measured the apatite and zircon (U-Th)/He ages from core and cuttings samples in the Tarim Basin, and the Paleozoic thermal history of wells KQ1 and T1 in this basin were then modeled by combining the helium ages, AFT, and VR o data.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Constraints of (U-Th)/He ages on early Paleozoic tectonothermal evolution of the Tarim Basin, China

Qiu

Wang

Qinghua

et al. 2010

Sci. China Earth Sci.

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The thermal evolution of source rocks in the Paleozoic stratigraphic sequences has been an outstanding problem for petroleum exploration in the Tarim Basin, as the thermal history of the Paleozoic could not be reconstructed objectively due to the lack of effective thermal indicators in the early Paleozoic carbonate successions. The (U-Th)/He thermochronometry of apatite and zircon has recently been used as an effective tool to study the structural uplift and thermal history of sedimentary basins. The Paleozoic tectonothermal histories of two typical wells in the Tarim Basin were modeled using the thermal indicators of (U-Th)/He, apatite fission track (AFT), and vitrinite reflectance (R o ) data in this paper. The Paleozoic strata in the two wells were shallow due to persistent uplift and significant erosion during the Hercynian tectonic events (from Devonian to Triassic). Therefore, the paleothermal indicators in the Paleozoic strata may retain the original thermal evolution and can be used to reconstruct the Paleozoic thermal history of the Tarim Basin. The apatite and zircon helium ages from core and cuttings samples were analyzed and the Paleozoic thermal histories of wells KQ1 and T1 were modeled by combining helium ages, AFT, and equivalence vitrinite reflectance (VR o ) data. The modeling results show that the geothermal gradient evolution is different in the Kongquehe Slop and Bachu Uplift of Tarim Basin during the Paleozoic. The thermal gradient in Well T1 on the Bachu Uplift was only 28-30°C/km in Cambrian, and it increased to 30-33°C/km in Ordovician and 31-34°C/km during the Silurian and Devonian. The thermal gradient of Ordovician in Well KQ1 on the Kongquehe Slope was 35°C/km and decreased to 32-35°C/km during the Silurian and Devonian. Therefore, the combined use of (U-Th)/He ages and other thermal indicators appears to be useful in reconstructing the basin thermal history and provides new insight into the understanding of the early Paleozoic thermal history of the Tarim Basin.

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Combined apatite fission track and (U–Th)/He thermochronometry in a slowly cooled terrane: results from a 3440-m-deep drill hole in the southern Canadian Shield

Cited by 69 publications

References 26 publications

The Paleozoic tectonothermal evolution of the Bachu Uplift of the Tarim Basin, NW China: Constraints from (U–Th)/He ages, apatite fission track and vitrinite reflectance data

The Paleozoic tectonothermal evolution of the Bachu Uplift of the Tarim Basin, NW China: Constraints from (U–Th)/He ages, apatite fission track and vitrinite reflectance data

Apatite (U – Th)/He age constraints on the Mesozoic and Cenozoic evolution of the Bathurst region, New South Wales: evidence for antiquity of the continental drainage divide along a passive margin

Constraints of (U-Th)/He ages on early Paleozoic tectonothermal evolution of the Tarim Basin, China

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