[PDF] Top 20 Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
... Under suitable P-T metamorphic conditions and bulk chemical composition (Spear, 1993), in the presence of coaxial deformation (Bell et al., 2004), porphyroblasts begin to grow in metapelitic rocks and cease growth ... See full document
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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
... 4 Figure 3. (a, b, c) Vertical face looking E showing a profile view of a W–E-trending fold. It shows bedding defined by porphyroblastic and non-porphyroblastic layers folded with a sub- vertical differentiated ... See full document
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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
... b Cordierite porphyroblast locally surrounded by second generation staurolite that overgrew the N–S-striking matrix foliation that also wraps around a first generation andalusite porphyr[r] ... See full document
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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
... 46 Figure 1. Growth of porphyroblasts relative to crenulation and crenulation cleavage development during two tectono-metamorphic events associated with the progressive generation of foliations S 2 and S 3 ... See full document
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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
... N–S-trending fold in Llewellyn Creek Formation. (b) Tight, upright N–S-trending fold with vertical axial plane cleavage, O N–S S A , in Llewellyn Creek ...The fold axis plunges 65° towards ... See full document
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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia
... contained in metamorphic and igneous rocks as an accessory phase. When it grows it generally contains a high percentage of Th and U and no or very little Pb making it very useful for U-Pb dating (Parrish, 1990). ... See full document
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The Paleozoic tectono-metamorphic evolution of the Charters Towers Province, North Queensland, Australia
... the Mount Windsor volcanics, a rhyolite dominated ...extensive NW-SE trending belt of Carboniferous to Permian granitoids sub- parallel to the coast line of eastern Queensland intruded ... See full document
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Evolution and dynamics of fault controlled copper mineralization in the Mount Gordon fault zone, Mt Isa, Queensland, Australia
... the Eastern Fold Belt of the Mount Isa Block by assuming that the presently observed fault architecture could be used as a template for a numerical simulation, and only applying small ... See full document
390
Tectono-metamorphic evolution of the Cambro-Ordovician Balcooma Metamorphic Group, Greenvale Province, north-eastern Australia
... Balcooma Metamorphic Group, which lie due east of the Precambrian Georgetown Block, indicates that five changes in the direction of bulk shortening occurred during Northern Thomson Fold Belt ...in ... See full document
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Tectono-metamorphic evolution of the Cambro-Ordovician Balcooma Metamorphic Group, Greenvale Province, north-eastern Australia
... Balcooma Metamorphic Group in north- eastern Queensland, Australia, which consists of multiply deformed Cambro-Ordovician metasedimentary and felsic metavolcanic ...Balcooma Metamorphic ... See full document
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Structure and tectono-thermal history of the Eastern Mount Isa Inlier, Australia
... Group belt, and the result demonstrates the simultaneous development of different fold trends that had previously been attributed to two separate fold ...refolded fold nappe: an early ... See full document
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Using microanalysis of minerals to track geochemical processes during metamorphism: examples from the Mary Kathleen fold belt, Queensland, and the Eastern Mt. Lofty Ranges, South Australia
... geochemical evolution of the Earth’s crust and the formation of orogenic ...in metamorphic/hydrothermal systems in order to apply them meaningfully to solve important questions in ...geosciences. ... See full document
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Geodynamic evolution and genesis of the Cannington Broken Hill type Ag Pb Zn deposit, Mount Isa Inlier, Queensland
... List of Figures Figure 1.1 Location of the Cannington Ag-Pb-Zn deposit and the Mount Isa Idler 1 Figure 1.2 Aeromagnetic image of the Cannington region, Eastern Succession 3 4 Figure 1.3[r] ... See full document
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The Paroo Fault and the Mount Isa copper orebodies; a revised structural and evolutionary model, Mt Isa, Queensland, Australia
... copper orebodies. The steroplot at the top of the figure shows the poles to planes for all the bedding orientations on this level. The lower steroplots show the orientation of two folds limbs (bedding) as planes, ... See full document
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The Paroo Fault and the Mount Isa copper orebodies; a revised structural and evolutionary model, Mt Isa, Queensland, Australia
... Increased outcrops due to mine development allowed Mathias and Clark (1975) to recognise three separate faults interpreted to represent different episodes of faulting. An upper steep east dipping fault was termed the ... See full document
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Using microanalysis of minerals to track geochemical processes during metamorphism: examples from the Mary Kathleen fold belt, Queensland, and the Eastern Mt. Lofty Ranges, South Australia
... [r] ... See full document
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Tectono-metamorphic evolution of western Maine, Northern Appalachians, USA
... into tectono-metamorphic histories that were previously ...continuous tectono-metamorphism for this portion of the ...peak metamorphic conditions, but rather, a series of continuous but ... See full document
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Tectono-metamorphic evolution of western Maine, Northern Appalachians, USA
... a The black dots with yellow ellipse show the location of garnet core isopleths for the five FIA sets; the dark blue dots with the blue error ellipse show the locations of the invariant [r] ... See full document
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Tectono-metamorphic evolution of western Maine, Northern Appalachians, USA
... Equal-area rose diagrams showing the trends of FIAs measured in staurolite porphyroblasts from Western Maine a and Colorado Front Range b... Electron microprobe analysis and calculated a[r] ... See full document
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Tectono-metamorphic evolution of western Maine, Northern Appalachians, USA
... Diagrams showing the relationship between the yttrium content and the monazite grain ages from sample IS94 a and IS71 b... Simplified geological map of the New England showing the locati[r] ... See full document
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