Geoarchaeological and 3D visualisation approaches for contextualising in-situ fossil bearing palaeokarst in South Africa: A case study from the ∼2.61 Ma Drimolen Makondo

Citation

Material Information

Title:
Geoarchaeological and 3D visualisation approaches for contextualising in-situ fossil bearing palaeokarst in South Africa: A case study from the ∼2.61 Ma Drimolen Makondo
Series Title:
Quaternary International
Creator:
Herries, Andy I.R.
Murszewski, Ashleigh
Pickering, Robyn
Mallett, Tom
Joannes-Boyau, Renaud
Armstrong, Brian
Adams, Justin W.
Baker, Stephanie
Blackwood, Alex F.
Penzo-Kajewski, Paul
Kappen, Peter
Leece, A B
Martin, Jesse
Rovinsky, Douglass
Boschian, Giovanni
Publisher:
Elsevier
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Palaeomagnetism ( local )
Uranium-Lead Dating ( local )
Photogrammetry And 3D Scanning ( local )
Micromorphology ( local )
Ground Penetrating Radar ( local )
Electron Spin Resonance ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
Member System based on simplified sedimentological attributes, rather than chronostratigrahic units. Many of the defined Members thus identify different, but contemporary geological processes occurring in the caves. This has caused serious confusion in reconstructing the life histories of palaeocaves and the ages of the fossil remains interned within them. It is critical to uncover new sites that have not been extensively altered by decades of data collection and destructive mining techniques employed early in their discovery. Although unmined sites present their own problems with regards to extensive colluvium cover and access to fossil-bearing units, analysing strata that is found in-situ enhances overall confidence of interpretations drawn. A wealth of geoarchaeological and 3D visualisation techniques can now be employed to aid in the understanding of cave life histories, as well as their excavation. In this paper we present the first attempt to integrate and publish data from a range of such methods on South African fossil bearing palaeokarst using the newly discovered Drimolen Makondo deposit as a case study. This includes the use of ground penetrating radar, 3D visualisation through photogrammetry and multi-scale 3D scanning, micromophology and petrography, palaeomagnetism, mineral magnetism, synchrotron radiation, electron spin resonance, uranium-lead dating and biochronology. Our analysis has allowed us to successfully uncover the full extent of this new ∼2.61 Ma fossil bearing palaeokarst deposit and to visualise and interpret its chronostratigraphy.
Original Version:
Quaternary International, Vol. 483 (2018-07-30).

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University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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