Anthony Clarke- Doctor of Philosophy
- Research Associate at Curtin University
Anthony Clarke
- Doctor of Philosophy
- Research Associate at Curtin University
Research Associate @TimescalesEPS @CurtinUni. Exploring accessory mineral geochronology
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8
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Introduction
I am a geologist exploring the novel applications of accessory mineral geochronology.
Current institution
Publications
Publications (8)
Unconsolidated sediment can retain a fingerprint of geological history, stored in refractory detrital
grains that endure multi-cycle reworking. Isotopic analyses of these grains can help decipher source-
to-sink pathways, crystalline provenance, and regional tectonomagmatic evolution. Pleistocene
glaciations denuded and transported the eroded pro...
Zircon U–Pb is the principal radiometric dating technique, yet associated biases may hamper interpretations of geological phenomena. This thesis presents isotopic (U–Pb, Lu–Hf, Sm–Nd) and chemical data for apatite and rutile to demonstrate how accessory minerals can complement conventional zircon geochronology. Holistic insights into processes occu...
Detrital minerals within Proterozoic basins are commonly an extant record of now-destroyed crust and provide valuable constraints on ancient paleogeography and tectonic processes. However, reconstructing basin histories depends on discriminating potentially exotic, far-travelled (allochthonous) versus locally sourced (autochthonous) detritus. Detri...
Understanding the provenance of megaliths used in the Neolithic stone circle at Stonehenge, southern England, gives insight into the culture and connectivity of prehistoric Britain. The source of the Altar Stone, the central recumbent sandstone megalith, has remained unknown, with recent work discounting an Anglo-Welsh Basin origin1,2. Here we pres...
The Llangynog Inlier of south Wales contains an assemblage of Ediacaran macrofossils from a shallow-marine environment, including discoidal morphs of Aspidella and rare examples of Hiemalora , Palaeopascichnus and Yelovichnus . These are taxa found at other sites in the Avalonian microcontinent (e.g. Charnwood Forest and eastern Newfoundland) and i...
This study presents in-situ U–Pb, Lu–Hf, and Sm–Nd isotopic data for detrital zircon and apatite collected from ephemeral streams of the East Pilbara Terrane, Western Australia. Given their disparate abundances in felsic versus mafic lithologies, a tandem apatite-zircon approach may offer more holistic insights into crust formation. Apatite U–Pb da...
The Johnston Complex represents a rare inlier of the Neoproterozoic basement of southern Britain and offers a window into the tectonomagmatic regime of East Avalonia during the assembly of Gondwana. This work presents in-situ zircon (U-Pb, Lu-Hf), apatite (U-Pb), and trace element chemistry for both minerals from the Complex. Zircon and apatite yie...
