Detrital or reset?
            <sup>40</sup>
            Ar/
            <sup>39</sup>
            Ar dating of mica from the Lower Jurassic Precipice Sandstone and Evergreen Formation in the Surat Basin

Crossingham, T.; Sobczak, K.; La Croix, A. D.; Esterle, J.; Dalton, H.; Hayes, P.

doi:10.1080/08120099.2024.2319105

Australian Journal of Earth Sciences

2024

DOI: 10.1080/08120099.2024.2319105

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Detrital or reset? ⁴⁰ Ar/ ³⁹ Ar dating of mica from the Lower Jurassic Precipice Sandstone and Evergreen Formation in the Surat Basin

T. Crossingham,

K. Sobczak,

A. D. La Croix

et al.

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Cited by 2 publications

References 72 publications

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Are sulfides the primary host of sedimentary Hg? A case study from the Lower Jurassic of the Surat Basin (Australia)

Zhu,

La Croix,

Kemp

et al. 2024

Chemical Geology

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Are sulfides the primary host of sedimentary Hg? A case study from the Lower Jurassic of the Surat Basin (Australia)

Zhu,

La Croix,

Kemp

et al. 2024

Chemical Geology

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On the viability of detrital biotite Rb–Sr geochronology

Larson,

Dyck,

Shrestha

et al. 2024

Geochronology

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Abstract. Re-examination of International Ocean Discovery Program (IODP) sediment samples collected from the Bay of Bengal via laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) Rb–Sr geochronology demonstrates the viability of the biotite Rb–Sr system for use as a detrital chronometer. The age population defined by the Rb–Sr dates essentially reproduces that previously published for detrital 40Ar/39Ar dates. The effect of unknown/assumed initial 87Sr/86Sr on the calculated population can be ameliorated by filtering for higher 87Rb/86Sr ratios. Such filtering, however, could introduce bias toward more radiogenic populations, especially in younger material that has not had time to accumulate radiogenic product (e.g. limiting the effect of initial 87Sr/86Sr to ∼ <5 % requires filtering of 87Rb/86Sr >500 at 250 Ma and 87Rb/86Sr >50 at 2500 Ma). Finally, Ti-in-biotite temperatures calculated based on element concentration data collected during LA-ICP-MS overlap with those calculated for the same material based on electron probe microanalyzer data, demonstrating the potential for in situ biotite petrochronology based on the Rb–Sr system.

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Detrital or reset? ⁴⁰ Ar/ ³⁹ Ar dating of mica from the Lower Jurassic Precipice Sandstone and Evergreen Formation in the Surat Basin

Cited by 2 publications

References 72 publications

Are sulfides the primary host of sedimentary Hg? A case study from the Lower Jurassic of the Surat Basin (Australia)

Are sulfides the primary host of sedimentary Hg? A case study from the Lower Jurassic of the Surat Basin (Australia)

On the viability of detrital biotite Rb–Sr geochronology

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About

Detrital or reset? 40 Ar/ 39 Ar dating of mica from the Lower Jurassic Precipice Sandstone and Evergreen Formation in the Surat Basin

Cited by 2 publications

References 72 publications

Are sulfides the primary host of sedimentary Hg? A case study from the Lower Jurassic of the Surat Basin (Australia)

Are sulfides the primary host of sedimentary Hg? A case study from the Lower Jurassic of the Surat Basin (Australia)

On the viability of detrital biotite Rb–Sr geochronology

Contact Info

Product

Resources

About

Detrital or reset? ⁴⁰ Ar/ ³⁹ Ar dating of mica from the Lower Jurassic Precipice Sandstone and Evergreen Formation in the Surat Basin