Ultrahigh-Pressure Metamorphism
Elsevier Science and Technology, March 2011, Pages: 696
Ultrahigh pressure metamorphism (UHPM) is a relatively new but fast growing discipline related to the deep subduction of slabs of continental and/or oceanic crust into the Earth's mantle and their return towards the surface as important components of mountain belts. The discipline was established ~25 years ago after discoveries of high pressure minerals, coesite and diamond, in the rocks of the continental affinities, a place where such minerals are "forbiden?according to main geological concepts. Exposures of HP/UHP rocks, once thought to be restricted to European Mountain systems, are being found in Asia, Africa, South and North Americas and Greenland. They provide us with valuable information on the mineral assemblages, fluid inclusions, microstructures, rheologies, major and trace element chemistries, stable and radiogenic isotope characteristics and timing relationships in slabs that have been subducted to depth up to some 200-250 km. Geologic processes under UHP conditions are by their very nature difficult to unravel because of the intense overprinting experienced by the rocks on their way back up to the Earth's surface. However, detailed studies in outcrops and in mineral/rock slides in laboratories with the aid of advanced state-of-art analytical instruments and techniques provide unprecedented integrated knowledge about processes operating in deep Earth's horizons at converging plate boundaries. UHPM rocks consist of the fragments of continental and oceanic crustal rocks and associated mafic-ultramafic intrusions and/or mantle peridotite initially formed at shallow lithosphere, but which subsequently have experienced a recrystallization within or above coesite and diamond stability fields (>2.7 - 4 GPa, ~700 - 1000oC). Before coesite and diamond discoveries, the eclogites and peridotites that are characteristic of UHPM terranes were considered geological curiosities of limited occurrence and significance. The number of Geoscientists working on HP/UHP and related rocks has been increasing steadily each year as their significance has become more and more apparent, numbering now several hundred extremely active international scientists.The current explosion of research on UHPM terranes reflects their significance for understanding large scale mantle dynamics, major elements of plate tectonics such as continental collisions, deep subduction and exhumation, mountains building, geochemical recycling "from surface to the core?, and a deep storage of light elements participating in green-house effects in the atmosphere.
FEATURE - an extensive and wide-ranging collection of up-to-the-minute research papers, with many of the authors being major practitioners in the discipline of ultra-high pressure metamorphic geoscience and the geodynamics and processes operating in the deep levels of convergent tectonic geosystems.
BENEFIT - an important, authoritative and comprehensive "one-stop"resource for the growing UHPM research community and an excellent introduction to the subject for graduate students, geological survey, mining and resources planning workers, and academics wishing to participate in this exciting and dynamic field of research, or seeking a wider perspective on related fields of investigation.
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FEATURE - a forward-looking approach founded upon a detailed historical perspective on UHPM geoscience over twenty-five years, including a comprehensive reference list.
BENEFIT- as we stand at a crucial juncture in UHPM studies when the period of exploration and discovery passes into a phase of consolidation and recognition of the significance of UHPM rocks for the wider Earth system, readers can follow the trends in discovery, methodology and theory over the last three decades, gain a clear impression of the current trends and look ahead to the approaches that will shape the science in the future.
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FEATURE - a highly diverse set of articles covering a wide range of methods and sub-disciplines from micro- and nano-scale mineralogy, advanced instrumental methods, isotopic analysis, petrology geochemistry, geofluids, structural geology, tectonics and geophysics from well-known and frontier locations, all relating to subduction and mantle systems that are fundamental to the dynamics and evolution of the Earth system.
BENEFIT - the book will be of interest to practitioners in a wide range of sub-disciplines in the geosciences and deep geophysics covering deep subduction processes, mountains building, re-shaping the Earth's continents configuration in the past, formation of the orogenic belts worldwide and across the span of geological time from the Archaean to the present day; in addition to the applications to UHPM studies, readers will undoubtedly find material relevant to their own interests well beyond UHPM rocks.
Frontiers of Ultra-high Pressure Metamorphism: View from Field and Laboratory
Larissa Dobrzhinetskaya and Shah Wali Faryad
Part I. Diamonds
new studies
Diamond-lonsdaleite-graphite relations examined by Raman mapping of carbon microinclusions inside zircon at Kumdy Kol, Kokchetav, Kazakhstan: Evidence of the metamictisation of diamond
D
C. Smith, L. Dobrzhinetskaya, G. Godard and H. Green
Diamond and other possible ultra-deep evidence discovered in the orogenic spinel-garnet peridotite from the Moldanubian Zone of the Bohemian Massif, Czech Republic
Kosuke Naemura, Daijo Ikuta, Hiroyuki Kagi, Shoko Odake, Tadamasa Ueda, Shugo Ohi, Tomoyuki Kobayashi, Martin Svojtka and Takao Hirajima
Diamond formation from amorphous carbon and graphite in presence of COH fluids: an in Situ high pressure and temperature laser-heated diamond anvil cell experimental study
Junfeng Zhang, Vitali Prakapenka, Atsushi Kubo, Abby Kavner, Harry W. Green and Larissa F. Dobrzhinetskaya
Origin of high-pressure disordered metastable phases (lonsdaleite and incipiently amorphized quartz) in metamorphic rocks: geodynamic shock or crystal-scale overpressure?
G. Godard, M.-L. Frezzotti, R. Palmeri, and D.C. Smith
Part II. Minerals chemistry, reactions and microstructures in UHPM rocks
Origin and Metamorphic Evolution of Garnet clinopyroxenite from the Sulu UHP Terrane, China: Evidence from Mineral Chemistry and Microstructures
Ru Y. Zhang, Juhn G. Liou, Jason
M. Huberty, Huifang Xu, Kenshi Maki, Bor-Ming Jahn and Yoshiyuk Iizuka
The correlation between Raman spectra and the mineral composition of muscovite and phengite
Huijuan Li, Lifei Zhang and Andrew G. Christy
Increasing chlorinity in fluids along the prograde metamorphic path: evidence from apatite from Yangkou eclogite, Sulu, China
Jingbo Liu, Lingmin Zhang, Qian Mao and Kai Ye
Trace element and O-isotope composition of polyphase metamorphic veins of the Ile de Groix (Armorican Massif, France): implication for fluid flow during HP subduction and exhumation processes
Afifé El Korh, Susanne Th. Schmidt, Torsten Vennemann and Alexey Ulianov
Part III. Geochronological data of UHPM terranes
Geochronology of the Alpine (U)HP Rhodope zone: a review of isotopic ages and constraints on the geodynamic evolution
Anthi Liati, Dieter Gebauer and C. Mark Fanning
Coherence of the Dabie Shan UHPM terrane investigated by Lu-Hf and 40Ar/39Ar dating of eclogites
F.M. Brouwer, M. Groen, O. Nebel, J.R. Wijbrans, H.N. Qiu, Q.J. Yang, L.H. Zhao and Y.B. Wu
Part IV. Ultrahigh-pressure metamorphic belts and protolith history of eclogite and grt-peridotite
Distribution and geological position of high-/ultrahigh-pressure units within the European Variscan Belt: A review
Shah Wali Faryad
Ultramafic cumulates of oceanic affinity in an intracontinental subduction zone: ultrahigh-pressure garnet peridotites from Pohorje (Eastern Alps, Slovenia)
Jan C.M. De Hoog, Marian Janák, Mirijam Vrabec and Keiko H. Hattori
Very High Pressure Epidote Eclogite From Ross River Area,Yukon, Canada, Records Deep Subduction
Edward Ghent and Philippe Erdmer
HP-UHP metamorphic belts in the Eastern Tethyan Orogenic System in China
Jingsui Yang, Zhiqin Xu, Paul T. Robinson, Jianxin Zhang, Zeming Zhang, Fulai Liu and Cailai Wu
Orogenic garnet peridotites: tools to reconstruct paleo-geodynamic settings of fossil continental collision zones
Cong Zhang, Herman van Roermund and Lifei Zhang
Petrology, geochemistry, geochronology and metamorphic evolution of garnet peridotites from South Altyn Tagh UHP terrane, NW China: Records related to crustal slab subduction and exhumation history
Chao Wang, Liang Liu, Danling Chen and Yuting Cao
Metamorphic Evolution of the Gridino Mafic Dyke Swarm (Belomorian Eclogite Province, Russia)
Ksenia Dokukina and Alexander Konilov
The Salma eclogites of the Belomorian Province, Russia: HP/UHP metamorphism through the subduction of Mesoarchean oceanic crust
Alexander N. Konilov, Andrey A. Shchipansky, Michael V. Mints, Ksenia A. Dokukina, Tatiana V. Kaulina, Tamara B. Bayanova, Lev M. Natapov, Elena A. Belousova, William L. Griffin and Suzanne Y. O'Reilly
Dobrzhinetskaya, Larissa
Faryad, Shah Wali
Wallis, Simon
Cuthbert, Simon
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