Results 111 to 120 of about 6,499 (231)

A propos des migmatites pyreneennes

open access: yesBulletin de la Société Géologique de France, 1956
Abstract Observations in the Saint-Barthelemy massif (France) and in other localities in the Pyrenees indicate that metasomatic enrichment in silica and soda (of the order of some 5 to 10 percent) caused alteration of schists into migmatites characterized by a quartz diorite composition.
openaire   +1 more source

The pre-Alpine tectonic history of the Austroalpine continental basement in the Valpelline unit (Western Italian Alps) [PDF]

open access: yes, 2017
The Valpelline unit is a large slice of continental crust constituting the Austroalpine Dent Blanche nappe (NW Italy). The pre-Alpine evolution of this unit holds important clues about the Palaeozoic crustal structure at the northern margin of the Adria ...
MANZOTTI, PAOLA, ZUCALI, MICHELE
core  

Rapid endogenic rock recycling in magmatic arcs. [PDF]

open access: yesNat Commun, 2021
Li JY   +8 more
europepmc   +1 more source

Active artisanal mining-induced radiogenic hazards: insights from radiogeochemistry of Wamba Areas, north-central Nigeria. [PDF]

open access: yesSci Rep
Adewumi T   +6 more
europepmc   +1 more source

A spatial reconnaissance survey for gold exploration in a schist belt. [PDF]

open access: yesHeliyon, 2021
Tende AW   +5 more
europepmc   +1 more source

Cyclic growth in Atlantic region continental crust [PDF]

open access: yes
Atlantic region continental crust evolved in successive stages under the influence of regular, approximately 400 Ma-long tectonic cycles. Data point to a variety of operative tectonic processes ranging from widespread ocean floor consumption (Wilson ...
Goodwin, A. M.
core   +1 more source

Waste Powder Biotite as a Factor Enhancing the Flexural Strength of RPC. [PDF]

open access: yesMaterials (Basel)
Grzeszczyk S   +4 more
europepmc   +1 more source

Melt reactions and timescales of melting in pelitic rocks-a case study from the Garhwal Himalaya. [PDF]

open access: yesContrib Mineral Petrol
Oldman CJ   +8 more
europepmc   +1 more source

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