Precambrian Research 2011: Vol 186 Index & Table of Contents

2011·0.45 MB·English

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VOLUME 186, NOS. 1-4 CONTENTS April 2011
(Abstracts/contents lists published in Am. Geol. Inst. Bibliogr.; Abstr. Bu r. Contents; Phys
Chem. Earth Sci., Geo Abstr.; Mineral Abstr.)
Research papers
Geology and tectonostratigraphy of the Onverwacht Suite, Barberton Greenstone Belt, South Africa
M.J. de Wit, H. Furnes and B. Robins
Volcanic evolution of the upper Onverwacht Suite, Barberton Greenstone Belt, South Africa
H. Furnes, M.J. de Wit, B. Robins and N.R. Sandsta
The structural, metamorphic and temporal evolution of the country rocks surrounding Venetia Mine, Limpopo
Belt, South Africa: Evidence for a single palaeoproterozoic tectono-metamorphic event with implications for
a tectonic model
M.J. Rigby, |.J. Basson, J.D. Kramers, P Graser and PK. Mavimbela .
Structural evolution of Gavilgarh-Tan Shear Zone, central India: A possible case of partitioned transpression
during Mesoproterozoic oblique collision within Central Indian Tectonic Zone
A. Chattopadhyay and L. Khasdeo
Palaeoproterozoic (2.0-1.95 Ga) pre-orogenic supracrustal sequences in the West Troms Basement Complex,
North Norway
Pl. Myhre, F Corfu and S. Bergh
Crustal evolution and recycling in the northern Arabian-Nubian Shield: New perspectives from zircon Lu- Hf
and U-Pb systematics
N. Morag, D. Avigad, A. Gerdes, E. Belousova and Y. Harlavan
Lu-Hf and U-Pb age determination of Capivarita Anorthosite in the Dom Feliciano Belt, Brazil
F. Chemale, R.P. Philipp, |.A. Dussin, M.L.L. Formoso, K. Kawashita and A.L. Berttotti .. .
Neoproterozoic palaeogeography in the North Atlantic Region: Inferences from the Akkajaure and Seve Nappes
of the Scandinavian Caledonides
C.L. Kirkland, B. Bingen, M.J. Whitehouse, E. Beyer and W.L. Griffin
Two Cryogenian glacial successions compared: Aspects of the Sturt and Elatina sediment records of
South Australia
D.P. Le Heron, G. Cox, A. Trundley and A.S. Collins
~2.7 Ga juvenile crust formation in the North China Craton (Taishan-Xintai area, western Shandong Province):
Further evidence of an understated event from U-Pb dating and Hf isotopic composition of zircon
Y. Wan, D. Liu, S. Wang, E. Yang, W. Wang, C. Dong, H. Zhou, L. Du,Y .Y ang and C. Diwu
First occurrence of Paleoproterozoic oceanic plateau in the Guiana Shield: The gold-bearing El! Callao Formation,
Venezuela
G. Velasquez, D. Béziat, S. Salvi, T. Tosiani and P. Debat
Paleomagnetic constraints on an Archean-Paleoproterozoic Superior—Karelia connection: New evidence from
Archean Karelia
S. Mertanen and F. Korhonen
(Contents continued on last page of issue)
CAPTION FOR COVER PHOTOGRAPH
3,243 million-year-old spherules in the Fig Tree Group, Barberton Greenstone Belt, South Africa, formed as
a result of large meteorite impacts on the early Earth. The 35-cm-thick spherule bed (S3) is composed of
nearly pure spherules produced during the condensation of an impact-produced rock vapor cloud. The
estimated diameter of the bolide was 20-50 km. The spherules, 0.5-1.5 mm in diameter in the photo, include
silica-(clear), phyllosilicate- (gray), and rutile/anatase-rich (black) varieties; massive and layered types;
and a few originally hollow spherules. This is one of four spherule layers in the Barderton Belt, ranging
from 3,470-3,243 Ma, that represent the oldest known impact deposits and provide direct evidence for a
significant flux of large impactors as late as 3.2 Ga. Photograph: D.R. Lowe
IN WWM |W) Available online at www.sciencedirect.com
ScienceDirect
Vol. 186
Index/Contents
2011
(Contents continued from back cover)
LA-ICP-MS zircon dating, geochemistry, petrogenesis and tectonic implications of the Dapingliang Neoproterozoic granites
at Kuluketage block, NW China
X. Cao, X. Lii, S. Liu, P. Zhang, X. Gao, C. Chen and Y. Mo
The 1.85 Ga Mo mineralization in the Xiong’er Terrane, China: Implications for metallogeny associated with assembly of
the Columbia supercontinent
N. Li, Y.J. Chen, M. Santosh, J.M. Yao, Y.L. Sun and J. Li
Discussion papers
Comment on “Provenance of the Arroyo del Soldado Group (Ediacaran to Cambrian, Uruguay): Implications for the
palaeogeographic evolution of southwestern Gondwana” by Blanco et al. |P recambrian Res. 171 (2009) 57-73]—A necessary
remark to the use of provenance data
U. Zimmermann
Reply to the comment on: “Provenance of the Arroyo del Soldado Group (Ediacaran to Cambrian, Uruguay): Implications
for the paleogeographic evolution of southwestern Gondwana” [Precambrian Res. 171 (2009) 57-73] by Zimmermann
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