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Mount Ayliff Complex

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Journal Article
Published: 01 December 2003
South African Journal of Geology (2003) 106 (4): 409–428.
...J.S. Marsh; P. Allen; N. Fenner Abstract Detailed petrographic, modal and geochemical studies on a number of deep boreholes (exceeding 1.2km in some instances) along the southeastern margin of the Insizwa lobe of the Mount Ayliff Complex reveal the existence of a geochemical stratigraphy...
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Journal Article
Journal: Economic Geology
Published: 01 September 2002
Economic Geology (2002) 97 (6): 1293–1306.
...W. D. Maier; J. S. Marsh; Sarah-Jane Barnes; D. C. Dodd Abstract The Mount Ayliff Complex of the Eastern Cape province of South Africa is a layered intrusion of some 800 km 2 surface area and up to 1,200 m thickness. On the basis of compositional similarities and spatial association...
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Journal Article
Published: 01 March 1988
The Canadian Mineralogist (1988) 26 (1): 145–160.
Image
F ig . 1. Locality map. A. Central area of the Karoo igneous province in so...
Published: 01 September 2002
F ig . 1. Locality map. A. Central area of the Karoo igneous province in southern Africa. B. Mount Ayliff Complex. C. Close-up of the Insizwa lobe.
Image
Sketch map of the SE portion of the Insizwa lobe of the <b>Mount</b> <b>Ayliff</b> Comple...
Published: 01 December 2003
Figure 1. Sketch map of the SE portion of the Insizwa lobe of the Mount Ayliff Complex showing the location of the borehole cores discussed in the text as well as the Taylor’s Koppie dyke and the location of the section sampled across this dyke. Dense stipple -Basal Zone; diffuse stipple
Journal Article
Published: 01 September 2012
South African Journal of Geology (2012) 115 (3): 283–290.
... (or 50 m) thick they might have occurred every 500 (or 250) years. This time spacing is still a bit too wide to permit the building of a layered complex, according to Figure 3 , but not by very substantial margins. Possibly the development of the 1 km thick Mount Ayliff intrusion, which is so much...
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Journal Article
Published: 01 April 2004
The Canadian Mineralogist (2004) 42 (2): 303–324.
... Complex with particular reference to the origin of the nickel sulfide deposits . Econ. Geol . 79 , 1857 – 1879 . Maier , W.D. , Marsh , J.S. , Barnes , S.-J. & Dodd , D.C. ( 2002 ): The distribution of platinum group elements in the Insizwa lobe, Mount Ayliff Intrusion...
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Journal Article
Journal: Economic Geology
Published: 01 June 2004
Economic Geology (2004) 99 (4): 831–840.
... —Denis Lavoie, Michel Malo, and Alain Tremblay 483 Petrology and Ni-Cu-PGE potential of the insizwa lobe, Mount Ayliff intrusion, South Africa —R. Grant Cawthorn and F. Johan Kruger 303 The Aguablanca Ni-Cu-PGE deposit, southwestern Iberia: Magmatic ore-forming processes...
Journal Article
Journal: Economic Geology
Published: 01 December 2000
Economic Geology (2000) 95 (8): 1701–1717.
... is restricted to olivine gabbros ( Fig. 4 ). All other lithologies contain Cr-poor spinels, those in the central doleritic interval being coarse, strongly exsolved titanomagnetites with ilmenite lamellae. Olivine gabbros contain complex oxide assemblages, incorporating Cr-bearing Ti-rich magnetite, Cr...
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Journal Article
Published: 01 March 2002
Geological Magazine (2002) 139 (2): 171–190.
... in the Jimberlana Intrusion . Journal of Geology 95 , 35 – 54 . Cawthorn , R. G. , Sander , B. K. & Jones , I. M. 1992 . Evidence for the trapped liquid shift effect in the Mount Ayliff Intrusion, South Africa . Contributions to Mineralogy and Petrology 111 , 194 – 202...
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Journal Article
Published: 01 July 2007
Exploration and Mining Geology (2007) 16 (3-4): 125–143.
... ratios (Fig. 5e ). Overall the assay data provide no indications that arsenopyrite, cobaltite, or arsenical pyrite make significant contributions to the gold budget. The host rocks of the Ernest Henry deposit have a complex history of overprinting alteration and veining ( Twyerould, 1997...
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Journal Article
Journal: Economic Geology
Published: 01 June 2000
Economic Geology (2000) 95 (4): 771–799.
...Chusi Li; Peter C. Lightfoot; Yuri Amelin; Anthony J. Naldrett Abstract New data on the Voisey’s Bay and Mushuau intrusions indicate that the two bodies, which were formerly grouped as the Reid Brook Complex, differ markedly in age, petrology, geochemistry, and the scale of known mineralization. U...
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Journal Article
Published: 01 August 2002
Mineralogical Magazine (2002) 66 (4): 575–590.
... . Beeson , M.H. ( 1976 ) Petrology, mineralogy, and geochemistry of the east Molokai volcanic series, Hawaii. US Geological Survey, Professional Paper , 961 . Cawthorn , R.G. , De Wet , M. , Hatton , C.J. and Cassidy , K.F. ( 1991 ) Ti-rich chromite from the Mount Ayliff...
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Journal Article
Published: 12 September 2008
Canadian Journal of Earth Sciences (2008) 45 (8): 879–896.
...–ultramafic belt associated with flood-basaltic volcanism of Wrangellia. Some of these sills contain nickel–copper–PGE massive sulfide mineralization, and the Quill Creek Complex hosts the Wellgreen deposit (42.33 million tonnes inferred resources of 0.35% Cu, 0.36% Ni, 0.51 g/t Pt, and 0.34 g/t Pd; Traynor...
Journal Article
Published: 18 June 2007
Canadian Journal of Earth Sciences (2007) 44 (5): 707–719.
... of initiation of the most recent Little Ice Age advance. Larocque and Smith ( 2003 ) dated the middle moraine complex and Little Ice Age moraines (Fig.  4 ) on the east side of Tiedemann Glacier using lichenometry. Their lichen data suggest that the middle moraines were built during stillstands or minor...
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Journal Article
Journal: PALAIOS
Published: 01 November 2008
PALAIOS (2008) 23 (11): 724–737.
... of Archaeological Science , 26 . 571 – 585 doi: 10.1006/jasc.1998.0346. Ayliffe , L.K. , Lister , A.M. , and Chivas , A.R. , 1992 , The preservation of glacial-interglacial climatic signatures in the oxygen isotopes of elephant skeletal phosphate : Palaeogeography, Palaeoclimatology...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2006
GSA Bulletin (2006) 118 (5-6): 515–532.
... of these benches is an artifact of variable isostatic rebound ( Bills et al., 1994 ). These benches, which we refer to as the Tauca shoreline complex, span ∼10 m. The lower bench is the most prominent and is more encrusted by tufa. Tufas vary in height from one to at least five meters, and are mounded (Fig. 5E...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2009
GSA Bulletin (2009) 121 (3-4): 448–473.
..., 1995 ). The “basement” of the North Slope subterrane is composed of the phyllite and quartzite of Old Grungy Mountain ( Reiser et al., 1980 ) and the presumed Neoproterozoic equivalent in the Sadlerochit Mountains ( Robinson et al., 1989 ), which underlies the Mount Copleston volcanics ( Moore, 1987...
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Journal Article
Journal: GSA Bulletin
Published: 15 August 2018
GSA Bulletin (2019) 131 (1-2): 224–234.
... the shift to increased aridity (e.g., Dettman et al., 2001 ; Strömberg and McInerney, 2011 ), and physiological and biochemical data suggest complex interactions between climate and lineage-specific characteristics may have played a role in these and other regions as well (e.g., Christin and Osborne...
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Journal Article
Published: 25 July 2019
Mineralogical Magazine (2019) 83 (5): 673–694.
... igneous systems . Geochimica et Cocmochimica Asta , 216 , 153 – 168 . Cawthorn R.G. , de Wet M. , Hatton C.J. and Cassidy L.F. ( 1991 ) Ti-rich chromite from the Mount Ayliff intrusion, Transkei: Further evidence for high Ti tholeiitic magma . American Mineralogist , 76...
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