نتایج جستجو برای: igneous petrology

تعداد نتایج: 4399  

Journal: :Minerals 2023

This Special Issue of Minerals, section Mineral Deposits, on the topic “Petrology and Mineralogy Pegmatite Deposits”, was inspired by currently growing scientific economic interest in pegmatites [...]

Journal: :Magyar tudomány 2022

Szabó József (1822–1894) emlékére. A szaknyelvújító és a magyar kőzettan megalapítója • In Memory of (1822–1894). The Reformer Technical Terminology and the Founder Hungarian Petrology

Journal: :American Journal of Science 1903

2009
YAMATO J. Gross A. H. Treiman J. Filiberto K. Robinson

Introduction: Knowledge of martian igneous and mantle composition is crucial for understanding mantle evolution including early differentiation, mantle convection and the chemical alteration of the surface. Primitive magmas provide critical information on their mantle source regions but most Martian meteorites crystallized from fractionated melts [1]. The new martian meteorite NWA 5789, discove...

2009
C. Caillet Komorowski O. Boudouma A. El Goresy M. Miyahara

OPAQUE ASSEMBLAGES IN UNSHOCKED PRIMITIVE H CHONDRITES: ORIGIN AND FIRST OCCURRENCE OF NATIVE Hg IN A METEORITE. C. Caillet Komorowski, O. Boudouma, A. El Goresy, M. Miyahara and M. E. Özel. LMCM Muséum National d’Histoire Naturelle UMR CNRS 7202, Paris 75005, France. E-mail: [email protected]. UPMC-ISTEP, Paris, Bayerishes Geoinstitut, Universität Bayreuth, Germany, Institute of Mineralogy, Pet...

2008
Koichiro Watanabe Tatsushi Takeuchi Tomoo Inoue Ken-ichi Okada

In this paper, we propose a tangible tabletop interface that can identify individual users using digital and physical objects. In environments in which multiple users are participating, the system can provide user-adaptive information regarding both digital and physical objects, and can record and utilize the operation history for individual users. Using this system, users can perform cooperati...

Journal: :Anais da Academia Brasileira de Ciencias 2007
Gislaine A Battilani Newton S Gomes Wilson J Guerra

The origin of diamonds from Serra do Espinhaço in Diamantina region (State of Minas Gerais) and in Chapada Diamantina, Lençóis region (State of Bahia) remains uncertain, even taking into account the ample research carried out during the last decades. The lack of typical satellite minerals in both districts makes a kimberlitic source for these diamonds uncertain. In mid 18th century the occurren...

Journal: :Geological Magazine 1936

Journal: :The Kurume Medical Journal 1955

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