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Emplacement temperatures of pyroclastic and volcaniclastic deposits in kimberlite pipes in southern Africa

Abstract:

Palaeomagnetic techniques for estimating the emplacement temperatures of volcanic deposits have been applied to pyroclastic and volcaniclastic deposits in kimberlite pipes in southern Africa. Lithic clasts were sampled from a variety of lithofacies from three pipes for which the internal geology is well constrained (the Cretaceous A/K1 pipe, Orapa Mine, Botswana, and the Cambrian K1 and K2 pipes, Venetia Mine, South Africa). The sampled deposits included massive and layered vent-filling brecc...

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Publication status:
Published

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Publisher copy:
10.1007/s00445-011-0493-9

Authors


Journal:
BULLETIN OF VOLCANOLOGY
Volume:
73
Issue:
8
Pages:
1063-1083
Publication date:
2011-10-05
DOI:
EISSN:
1432-0819
ISSN:
0258-8900
URN:
uuid:4dc682fc-1925-472a-9602-aad5959f301b
Source identifiers:
192975
Local pid:
pubs:192975

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