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Andrea R. Biedermann
Empirical relationships between magnetic fabrics and deformation have long served as a fast and efficient way to interpret rock textures. Understanding the single crystal magnetic properties of all minerals that contribute to the magnetic anisotropy of a...
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Gabriele Cruciani, Marcello Franceschelli, Hans-Joachim Massonne, Giovanni Musumeci and Massimo Scodina
A complex system of mono- and polymineralic centimeter-thick veins occurs within the ultrabasic amphibolites of Montigiu Nieddu hill in northeastern Sardinia, and they are filled with garnet, amphibole, chlorite, and epidote. Some garnet-rich veins are m...
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Juan Miguel Guotana, Tomoaki Morishita, Ryoko Yamaguchi, Ikuya Nishio, Akihiro Tamura, Kenichiro Tani, Yumiko Harigane, Kristoffer Szilas and D. Graham Pearson
Peridotites occur as lensoid bodies within the Mesoarchaean orthogneiss in the Akia terrane of Southern West Greenland. The Ulamertoq peridotite body is the largest of these peridotites hosted within the regional orthogneiss. It consists mainly of olivin...
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Rodrigo Gonzalez,Hans Niemeyer
Pág. 23 - 48
The interaction between basic and acid magmas has been widely recorded in batholiths and plutons from magmatic arcs. The Sierra de Varas Pluton (SVP), a zoned elliptical granitic body emplaced during the Carboniferous-Permian boundary (~300 Ma), and expo...
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Sofia Rebolledo,Reynaldo Charrier
Pág. 55 - 69
RESUMEN. Las unidades paleozoicas que afloran en la costa de Chile central son: el Complejo Metamorfico del Choapa (CMC) y las formaciores Puerto Manso y Huentelauquen. El CMC, cuyo protolito consistio en grauwacas, arcosas y basaltos oceanicos, esta con...
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Sofia Rebolledo,Reynaldo Charrier
Pág. 55 - 69
RESUMEN. Las unidades paleozoicas que afloran en la costa de Chile central son: el Complejo Metamorfico del Choapa (CMC) y las formaciores Puerto Manso y Huentelauquen. El CMC, cuyo protolito consistio en grauwacas, arcosas y basaltos oceanicos, esta con...
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Robert B. Watts,Jorge Clavero Ribes,R. Stephen J. Sparks
Pág. 558 - 588
Guallatiri Volcano (18°25?S, 69°05?W) is a large edifice located on the Chilean Altiplano near the Bolivia/Chile border. This Pleistocene-Holocene construct, situated at the southern end of the Nevados de Quimsachata chain, is an andesitic/dacitic comple...
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Daniel Sellés,A. Carolina Rodriguez,Michael A. Dungan,Jose A. Naranjo,Moyra Gardeweg
Pág. 293 - 316
The Quaternary Nevado de Longaví volcano of the Andean Southern Volcanic Zone (SVZ) has erupted magmas that range in composition from basalt to low-silica dacite, although andesites are the dominant erupted magma type. Amphibole is a common phenocryst ph...
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David Vernez, Olivier Duperrex, Horacio Herrera, Vincent Perret, Isabelle Rossi, Frederic Regamey and Michel Guillemin
The measurement of an airborne concentration in Amosite fibers above 5035 F/m3 in a school prompted a retrospective quantitative health risk assessment. Dose estimates were built using air measurements, laboratory experiments, previous exposure data, and...
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Zuxing Chen, Landry Soh Tamehe, Haiyan Qi, Yuxiang Zhang, Zhigang Zeng and Mingjiang Cai
The Yonaguni Knoll IV is an active seafloor hydrothermal system associated with submarine silicic volcanism located in the ?cross back-arc volcanic trail? (CBVT) in the southwestern Okinawa Trough. However, the behavior of volatiles during magmatic diffe...
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Fuqian Hei, Qing Liu, Guodong Zhao, Jinchen Ou and Fei Xu
Polyaluminum chloride slag produced in the production of water treatment agents pollutes the environment and wastes land resources in the process of landfill and waste. In order to solve the resource waste of researching polyaluminum chloride slag, it wa...
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Muhammad Nawaz, Waqas Ahmed, Muhammad Yasir, Ihtisham Islam, Hammad Tariq Janjuhah, George Kontakiotis, Assimina Antonarakou and Christina Stouraiti
The utilization of dimension stone in construction has been prevalent since ancient times; however, its application in modern construction has gained significant attention over the last few decades. This research aimed to assess the physical and strength...
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Denisse de la Fuente,Óscar Figueroa,Daniel Demaiffe,Mauricio Mella,Paul Duhart,David Quiroz,Jorge Muñoz,Verónica Oliveros
Pág. 24 - 53
Upper Cretaceous intrusives of limited extent crop out in the Coastal Cordillera near of Valdivia (39º48? S), 100 km west of the main topographic divide of the Andean Cordillera. Given that plutonic rocks of the same age crop out at the same latitudes in...
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Kürsad Asan
This study presented whole-rock elemental and Sr-Nd isotope geochemistry data with the purpose to decipher the origin and evolution of the Miocene Elmadag Volcanic Complex, Central Anatolia (Ankara, Turkey). Volcanic products spanned in composition from ...
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Tarun C. Khanna, V. V. Sesha Sai, S. H. Jaffri, A. Keshav Krishna and M. M. Korakoppa
In this contribution, we present detailed field, petrography, mineral chemistry, and geochemistry of newly identified high-Si high-Mg metavolcanic rocks from the southern part of the ~3.3 Ga Holenarsipur greenstone belt in the western Dharwar craton, Ind...
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Maria Carmela Dichicco, Salvatore Laurita, Rosa Sinisi, Raimondo Battiloro and Giovanna Rizzo
Worldwide studies have been done about the toxicity and carcinogenicity of asbestos minerals occurring in ophiolitic rocks. Inhalation of asbestos due to environmental exposure could cause malignant mesothelioma and lung cancers. In particular, the ophio...
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Peter Westerholm, Bertil Remaéus and Magnus Svartengren
This paper provides a narrative of the national intervention strategy in Sweden aimed to restrict the industrial use of asbestos. For many years, asbestos was imported for widespread industrial use, resulting in large amounts throughout Swedish society. ...
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V.L. Shirokova, A.M.L. Enright, C.B. Kennedy, F.G. Ferris
Pág. 604 - 612
This investigation evaluates spatial relationships between summer (July) groundwater temperatures and Fe(II)/Fe(III) biogeochemical cycling over a five year period in a shallow pristine sand aquifer at Meilleurs Bay near Deep River, Ontario, Canada. A wa...
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Ivana Alejandra Urraza,Sergio Delpino,Laura Grecco
Pág. 36 - 55
Post-crystallization evolution of the metatroctolites of the Lago Ñorquinco zone, Aluminé Igneous-Metamorphic Complex, is analyzed. These mafic rocks show coronas around olivine, composed of Opx, Cpx, Spl and Amp (Hbl1 and Hbl2). The temporal evolution o...
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John Stith Pallister,Angela K. Diefenbach,William C. Burton,Jorge Muñoz,Julia P. Griswold,Luis E. Lara,Jacob B. Lowenstern,Carolina E. Valenzuela
Pág. 277 - 294
We use geologic field mapping and sampling, photogrammetric analysis of oblique aerial photographs, and digital elevation models to document the 2008-2009 eruptive sequence at Chaitén Volcano and to estimate volumes and effusion rates for the lava dome. ...
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