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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Asia
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Far East
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China
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Dabie Mountains (2)
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Sulu Terrane (2)
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Kamchatka Russian Federation
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Kamchatka Peninsula
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Tolbachik (1)
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Commonwealth of Independent States
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Russian Federation
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Kamchatka Russian Federation
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Europe
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Southern Europe
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Iberian Peninsula
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Spain
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International Ocean Discovery Program
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Expedition 352
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IODP Site U1439 (1)
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IODP Site U1440 (1)
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IODP Site U1441 (1)
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IODP Site U1442 (1)
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igneous rocks
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pyroxenite
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porphyry
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ophiolite (1)
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ophiolite (1)
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sheet silicates
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sulfides
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troilite (2)
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Primary terms
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Asia
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Far East
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China
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Dabie Mountains (2)
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Sulu Terrane (2)
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Kamchatka Russian Federation
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Kamchatka Peninsula
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Tolbachik (1)
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Cenozoic
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Tertiary
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Paleogene
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Eocene (1)
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crystal chemistry (3)
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Europe
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Spain
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Betic Cordillera (1)
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heat flow (1)
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igneous rocks
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plutonic rocks
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ultramafics
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peridotites
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garnet peridotite (1)
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pyroxenite
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garnet pyroxenite (1)
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porphyry
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vitrophyre (1)
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volcanic rocks
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boninite (2)
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metals
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aluminum (2)
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copper (1)
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iron
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ferric iron (1)
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metamorphic rocks
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metaigneous rocks
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metaperidotite (1)
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serpentinite (1)
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metasomatic rocks
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serpentinite (1)
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metamorphism (1)
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meteorites
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stony meteorites
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chondrites
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carbonaceous chondrites
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mineral deposits, genesis (1)
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mineralogy (1)
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minerals (2)
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Oceania
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New Caledonia (1)
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Pacific Ocean
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North Pacific
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petrology (1)
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phase equilibria (4)
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plate tectonics (2)
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pollution (1)
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spectroscopy (1)
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structural analysis (1)
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United States
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Maryland
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Montgomery County Maryland (1)
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X-ray analysis (1)
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clinoenstatite
Ryabchikovite, CuMg(Si 2 O 6 ), a new pyroxene group mineral, and some genetic features of natural anhydrous copper silicates
Effects of Grain Size, Cooling Rate, and Sample Preparation on the Phase Transition from Protoenstatite to Clinoenstatite
Petrologic evolution of boninite lavas from the IBM Fore-arc, IODP Expedition 352: Evidence for open-system processes during early subduction zone magmatism
Towards a detailed comprehension of the inertisation processes of amphibole asbestos: in situ high-temperature behaviour of fibrous tremolite
High-pressure phase transitions of clinoenstatite
Decomposition boundary from high-pressure clinoenstatite to wadsleyite + stishovite in MgSiO 3
Non-hydrostatic stress field orientation inferred from orthopyroxene ( Pbca ) to low-clinoenstatite ( P 2 1 / c ) inversion in partially dehydrated serpentinites
Protoenstatite: A new mineral in Oregon sunstones with “watermelon” colors
The modular structure of pyroxenes
Decagonite, Al 71 Ni 24 Fe 5 , a quasicrystal with decagonal symmetry from the Khatyrka CV3 carbonaceous chondrite
Steinhardtite, a new body-centered-cubic allotropic form of aluminum from the Khatyrka CV3 carbonaceous chondrite
Raman spectroscopy of (Ca,Mg)MgSi 2 O 6 clinopyroxenes
A new high-pressure phase transition in natural Fe-bearing orthoenstatite
Thermodynamic Properties and Phase Relations in Mantle Minerals Investigated by First Principles Quasiharmonic Theory
Low-pressure clino- to high-pressure clinoenstatite phase transition: A phonon-related mechanism
Clinoenstatite exsolution in diopsidic augite of Dabieshan: Garnet peridotite from depth of 300 km
During the early 1980s, geoscientists worldwide realized synchrotron radiation was a highly valuable tool for in situ experiments, i.e., experiments under simulated Earth mantle conditions. MAX80 at Deutsches ElektronenSYnchrotron (DESY) – HAmburger SYnchrotron LABor (HASYLAB), Hamburg, a single-stage multianvil DIA system at a synchrotron beam line was among the high-pressure pioneer apparatus designed in Japan. MAX80 is equipped to perform ultrasonic interferometry in conjunction with synchrotron radiation measurements, i.e., X-ray diffraction (XRD) and X-radiography. The maximum conditions are ∼12 GPa at 2000 K. To make transition-zone conditions accessible and to achieve bigger specimen volumes, the sister apparatus MAX200x, a double-stage DIA system, was recently installed at the HASYLAB HARWI-II beam line. MAX2000x is designed to reach 25 GPa and 2400 K, simultaneously. MAX200x is driven by a hydraulic ram with a maximum load of 1750 tons. Derived from the successful equipment of MAX80 and adapted to the new task, MAX200x is equipped for XRD with a Ge-solid-state detector, for transient ultrasonic interferometry, and it has a radiography system to measure change of volume and shape of the sample under in situ conditions. A stepper motor–driven slits system allows the X-ray beam size and shape to be optimized for experiments. Parallel to the installation of MAX200x, some experiments were carried out to improve the potentials of multianvil apparatus in terms of maximum pressure and limitation of stress inside the sample and the anvils. Some recent results of these experiments as well as the data from the first experiments with the new double-stage system are reported here.