Results 91 to 100 of about 2,658 (209)

The common origin and alteration history of the hypabyssal and volcanic phases of the Wadi Tarr albitite complex, southern Sinai, Egypt [PDF]

open access: yes, 2019
New data and interpretations are presented for the igneous albitites of the Wadi Tarr area, southern Sinai, Egypt. The albitite masses are isolated in outcrop from any granitic intrusions and have intrusive contacts against the country rocks without any ...
Al-Kahtany, Khaled M.   +3 more
core  

Cumulate causes for the low contents of sulfide-loving elements in the continental crust [PDF]

open access: yes, 2017
Despite the economic importance of chalcophile (sulfide-loving) and siderophile (metal-loving) elements (CSEs), it is unclear how they become enriched or depleted in the continental crust, compared with the oceanic crust.
A Gale   +51 more
core   +1 more source

Predicting new mineral occurrences and planetary analog environments via mineral association analysis. [PDF]

open access: yesPNAS Nexus, 2023
Morrison SM   +9 more
europepmc   +1 more source

Optimising the REE-Zr-Nb potential of eudialyte and its alteration products in the Ilímaussaq complex, South Greenland [PDF]

open access: yes, 2016
Eudialyte-group minerals are complex alkali-zirconosilicates that crystallise in peralkaline igneous rocks known as agpaitic nepheline syenites 1. They provide important unexploited resources for rare earth elements (REE) and other critical metals such ...
Borst, Anouk Margaretha   +2 more
core  

Studio petrografico delle vulcaniti del Gruppo Vulcanico Atesino nell'area a Nord di Bolzano [PDF]

open access: yes, 2017
Il lavoro di questa tesina consiste nello studio ottico-petrografico e geochimico di venti campioni di vulcaniti permiane appartenenti al Gruppo Vulcanico Atesino (GVA).
Pacenti, Lorenzo
core  

Geochemistry data of trachyandesite of Ulindakonda vent agglomerate of Gadwal greenstone belt of eastern Dharwar Craton, India. [PDF]

open access: yesData Brief, 2023
Salumuri NLRR   +5 more
europepmc   +1 more source

NW UK continental margin : chronology and isotope geochemistry [PDF]

open access: yes, 2005
Until recently, a significant proportion of the crystalline basement from the NW UK continental shelf was virtually terra incognita in comparison with similar rocks on the mainland.
Chambers, Lynne   +3 more
core  

Cronología de los ciclos Cadomiense y Varisco en la Zona de Ossa Morena, SO de Iberia: magmatismo granítico desde la subducción a la extensión [PDF]

open access: yes
El estado de conocimiento sobre la Zona de Ossa Morena es variable. Existen estudios petrológicos, geoquímicos, isotópicos y geocronológicos sobre muchos cuerpos pero pocos son estudios de detalle de alguno de los mismos.
Salman, K.
core   +1 more source

Correlation of Growth and Breakdown of Major and Accessory Minerals in Metapelites from Campolungo, Central Alps [PDF]

open access: yes, 2017
Regionally metamorphosed pelitic rocks at Campolungo, Central Alps, contain biotite, muscovite, garnet, staurolite, kyanite, and quartz, and the minor minerals tourmaline, plagioclase, chlorite, rutile, and ilmenite. Accessory allanite, apatite, monazite,
Caddick, Mark J.   +4 more
core  

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