Results 51 to 60 of about 103 (92)
Yeşil opalin gemolojik özellikleri = Gemological characteristics of green opal
, 2017 Tez (Yüksek Lisans) -- İstanbul Ticaret Üniversitesi -- Kaynakça var.Bu çalışmada; İnceleme alanı, Türkiye’nin doğusunda bulunan Doğu Anadolu Bölgesi’nde Kırdağ’daki, Şenkaya (Erzurum) ilçesinin batı-kuzeybatısında yer alır.
Şahin, Ferhan
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Note illustrative del F. 070 Monte Cervino della Carta Geologica d'Italia alla scala 1:50.000 [PDF]
, 2016 Bistacchi, A. +5 more
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Studi meso e microstrutturali su successioni di litosfera oceanica ad espansione lenta: le ofioliti dell’Appennino Settentrionale [PDF]
, 2008 Menna, Francesco
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The genesis of ultramafic lamprophyres
International Kimberlite Conference Extended Abstracts: 2003, 2019 openaire +2 more sources
Zoned pyroxenes in ultramafic rocks
International Kimberlite Conference Extended Abstracts: 1982, 2019 openaire +2 more sources
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2007
The earth is divided into three layers: the crust, the mantle, and the core. There are two principle regions within the crust: continents and ocean basins. The rocks that make up these layers differ from one another in chemical composition and density.
Earl B. Alexander +3 more
openaire +1 more source
The earth is divided into three layers: the crust, the mantle, and the core. There are two principle regions within the crust: continents and ocean basins. The rocks that make up these layers differ from one another in chemical composition and density.
Earl B. Alexander +3 more
openaire +1 more source
Lichens and ultramafic rocks: a review
The Lichenologist, 2004Floristic, vegetational and ecological features of lichens in ultramafic environments are reviewed using a wide range of literature dating from the beginning of the 20th century. Co-presence of acidophytic (silicicolous) and basiphytic (calcicolous) species and the occurrence of species characterized by particular (disjunct) distribution patterns are ...
FAVERO LONGO, Sergio Enrico +2 more
openaire +2 more sources
Geochimica et Cosmochimica Acta, 1953
Abstract Quantitative spectrochemical determinations of potassium in 50 specimens of ultramafic rock confirm the preliminary observation ( Ahrens , Pinson and Kearns , 1952) that the abundance of potassium in this rock type is much lower than has usually been assumed.
W Holyk, L.H Ahrens
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Abstract Quantitative spectrochemical determinations of potassium in 50 specimens of ultramafic rock confirm the preliminary observation ( Ahrens , Pinson and Kearns , 1952) that the abundance of potassium in this rock type is much lower than has usually been assumed.
W Holyk, L.H Ahrens
openaire +1 more source