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  1. Contributions to Mineralogy and Petrology
  2. Contributions to Mineralogy and Petrology : Volume 166
  3. Contributions to Mineralogy and Petrology : Volume 166, Issue 1, July 2013
  4. Protoliths and phase petrology of whiteschists
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Contributions to Mineralogy and Petrology : Volume 171
Contributions to Mineralogy and Petrology : Volume 170
Contributions to Mineralogy and Petrology : Volume 169
Contributions to Mineralogy and Petrology : Volume 168
Contributions to Mineralogy and Petrology : Volume 167
Contributions to Mineralogy and Petrology : Volume 166
Contributions to Mineralogy and Petrology : Volume 166, Issue 6, December 2013
Contributions to Mineralogy and Petrology : Volume 166, Issue 5, November 2013
Contributions to Mineralogy and Petrology : Volume 166, Issue 4, October 2013
Contributions to Mineralogy and Petrology : Volume 166, Issue 3, September 2013
Contributions to Mineralogy and Petrology : Volume 166, Issue 2, August 2013
Contributions to Mineralogy and Petrology : Volume 166, Issue 1, Supplement,August 2013
Contributions to Mineralogy and Petrology : Volume 166, Issue 1, July 2013
Evidence for distinct stages of magma history recorded by the compositions of accessory apatite and zircon
Lattice distortion in a zircon population and its effects on trace element mobility and U–Th–Pb isotope systematics: examples from the Lewisian Gneiss Complex, northwest Scotland
Textural history of recent basaltic-andesites and plutonic inclusions from Merapi volcano
Monazite and xenotime U–Th–Pb geochronology by ion microprobe: dating highly fractionated granites at Xihuashan tungsten mine, SE China
Origin of ultra-nickeliferous olivine in the Kevitsa Ni–Cu–PGE-mineralized intrusion, northern Finland
Experimental study on the effects of temperature cycling on coarsening of plagioclase and olivine in an alkali basalt
40Ar–39Ar dating, whole-rock and Sr–Nd–Pb isotope geochemistry of post-collisional Eocene volcanic rocks in the southern part of the Eastern Pontides (NE Turkey): implications for magma evolution in extension-induced origin
From mush to eruption in centuries: assembly of the super-sized Oruanui magma body
Origin of Tertiary to Recent EM- and subduction-like chemical and isotopic signatures in Auca Mahuida region (37°–38°S) and other Patagonian plateau lavas
Chalcophile element geochemistry of the Baima layered intrusion, Emeishan Large Igneous Province, SW China: implications for sulfur saturation history and genetic relationship with high-Ti basalts
TiO2 exsolution from garnet by open-system precipitation: evidence from crystallographic and shape preferred orientation of rutile inclusions
An experimental study of Ti and Zr partitioning among zircon, rutile, and granitic melt
Protoliths and phase petrology of whiteschists
The pre-eruptive magma plumbing system of the 2007–2008 dome-forming eruption of Kelut volcano, East Java, Indonesia
Towards a model for the in situ origin of PGE reefs in layered intrusions: insights from chromitite seams of the Rum Eastern Layered Intrusion, Scotland
Experiments on liquid immiscibility in silicate melts with H2O, P, S, F and Cl: implications for natural magmas
Contributions to Mineralogy and Petrology : Volume 165
Contributions to Mineralogy and Petrology : Volume 164
Contributions to Mineralogy and Petrology : Volume 163
Contributions to Mineralogy and Petrology : Volume 162
Contributions to Mineralogy and Petrology : Volume 161
Contributions to Mineralogy and Petrology : Volume 160
Contributions to Mineralogy and Petrology : Volume 159
Contributions to Mineralogy and Petrology : Volume 158
Contributions to Mineralogy and Petrology : Volume 157
Contributions to Mineralogy and Petrology : Volume 156
Contributions to Mineralogy and Petrology : Volume 155
Contributions to Mineralogy and Petrology : Volume 154
Contributions to Mineralogy and Petrology : Volume 153
Contributions to Mineralogy and Petrology : Volume 152
Contributions to Mineralogy and Petrology : Volume 151
Contributions to Mineralogy and Petrology : Volume 150
Contributions to Mineralogy and Petrology : Volume 149
Contributions to Mineralogy and Petrology : Volume 148
Contributions to Mineralogy and Petrology : Volume 147
Contributions to Mineralogy and Petrology : Volume 146
Contributions to Mineralogy and Petrology : Volume 145
Contributions to Mineralogy and Petrology : Volume 144
Contributions to Mineralogy and Petrology : Volume 143
Contributions to Mineralogy and Petrology : Volume 142
Contributions to Mineralogy and Petrology : Volume 141
Contributions to Mineralogy and Petrology : Volume 140
Contributions to Mineralogy and Petrology : Volume 139
Contributions to Mineralogy and Petrology : Volume 138
Contributions to Mineralogy and Petrology : Volume 137
Contributions to Mineralogy and Petrology : Volume 136
Contributions to Mineralogy and Petrology : Volume 135
Contributions to Mineralogy and Petrology : Volume 134
Contributions to Mineralogy and Petrology : Volume 133
Contributions to Mineralogy and Petrology : Volume 132
Contributions to Mineralogy and Petrology : Volume 131
Contributions to Mineralogy and Petrology : Volume 130
Contributions to Mineralogy and Petrology : Volume 129
Contributions to Mineralogy and Petrology : Volume 128
Contributions to Mineralogy and Petrology : Volume 127
Contributions to Mineralogy and Petrology : Volume 126

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Protoliths and phase petrology of whiteschists

Content Provider SpringerLink
Author Franz, Leander Romer, Rolf L. Capitani, Christian
Copyright Year 2013
Abstract Whiteschists appear in numerous high- and ultrahigh-pressure rock suites and are characterized by the mineral assemblage kyanite + talc (+-quartz or coesite). We demonstrate that whiteschist mineral assemblages are well stable up to pressures of more than 4 GPa but may already form at pressures of 0.5 GPa. The formation of whiteschists largely depends on the composition of the protolith, which requires elevated contents of Al and Mg as well as low Fe, Ca, and Na contents, as otherwise chloritoid, amphibole, feldspar, or omphacite are formed instead of kyanite or talc. Furthermore, the stability field of the whiteschist mineral assemblage strongly depends on XCO2 and fO2: already at low values of XCO2, CO2 binds Mg to carbonates strongly reducing the whiteschist stability field, whereas high fO2 enlarges the stability field and stabilizes yoderite. Thus, the scarcity of whiteschist is not necessarily due to unusual P–T conditions, but to the restricted range of suitable protolith compositions and the spatial distribution of these protoliths: (1) continental sedimentary rocks and (2) hydrothermally and metasomatically altered felsic to mafic rocks. The continental sedimentary rocks that may produce whiteschist mineral assemblages typically have been deposited under arid climatic conditions in closed evaporitic basins and may be restricted to relatively low latitudes. These rocks often contain large amounts of the clay minerals palygorskite and sepiolite. Marine sediments generally do not yield whiteschist mineral assemblages as marine shales commonly have too high iron contents. Sabkha deposits may have too high CO2 contents. Protoliths of appropriate geochemical composition occur in and on continental crust. Therefore, whiteschist assemblages typically are only found in settings of continental collision or where continental fragments were involved in subduction. Our calculations demonstrate that whiteschists can form by closed-system metamorphism, which implies that the chemical and isotopic composition of these rocks provide constraints on the development of the protoliths.
Starting Page 255
Ending Page 274
Page Count 20
File Format PDF
ISSN 00107999
Journal Contributions to Mineralogy and Petrology
Volume Number 166
Issue Number 1
e-ISSN 14320967
Language English
Publisher Springer-Verlag
Publisher Date 2013-03-26
Publisher Place Berlin/Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Whiteschists Thermodynamic modeling Metasomatism Hydrothermal alteration Palygorskite Sepiolite Geochemical constraints Continental collision Geology Mineral Resources Mineralogy
Content Type Text
Resource Type Article
Subject Geochemistry and Petrology Geophysics
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