Evidence of Tethyan continental break-up and Alpine collision in the Argentera-Mercantour Massif, Western Alps

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F20%3A00000192" target="_blank" >RIV/00025798:_____/20:00000192 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0024493720302905?dgcid=rss_sd_all" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0024493720302905?dgcid=rss_sd_all</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.lithos.2020.105653" target="_blank" >10.1016/j.lithos.2020.105653</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Evidence of Tethyan continental break-up and Alpine collision in the Argentera-Mercantour Massif, Western Alps

Popis výsledku v původním jazyce

In the Argentera-Mercantour Massif, swarms of high-K calc-alkaline lamprophyres intruded into Carboniferous migmatites and early Permian granites, likely in Permian-Triassic times. The dykes collected multiple magmatic injections, the latest of which of alkaline affinity. Syn-intrusive vesicles and straight chilled margins suggest that the lamprophyres emplaced at a shallow crustal level.Lower greenschist facies mineral assemblages replaced lamprophyre igneous minerals as a result of late-intrusive hydrothermal circulation that occurred soon after the dyke emplacement. The hydrothermal event is constrained at T = 300–350°C and P < 0.1 GPa by matching thermobarometry and pseudosection results. During the Alpine collision, the lamprophyres were intersected by upper greenschist facies mylonitic shear zones developed at T = 420–450°C and P = 0.2–0.4 GPa, which are the metamorphic peak conditions of the Argentera-Mercantour Massif in Alpine times.

Název v anglickém jazyce

Evidence of Tethyan continental break-up and Alpine collision in the Argentera-Mercantour Massif, Western Alps

Popis výsledku anglicky

In the Argentera-Mercantour Massif, swarms of high-K calc-alkaline lamprophyres intruded into Carboniferous migmatites and early Permian granites, likely in Permian-Triassic times. The dykes collected multiple magmatic injections, the latest of which of alkaline affinity. Syn-intrusive vesicles and straight chilled margins suggest that the lamprophyres emplaced at a shallow crustal level.Lower greenschist facies mineral assemblages replaced lamprophyre igneous minerals as a result of late-intrusive hydrothermal circulation that occurred soon after the dyke emplacement. The hydrothermal event is constrained at T = 300–350°C and P < 0.1 GPa by matching thermobarometry and pseudosection results. During the Alpine collision, the lamprophyres were intersected by upper greenschist facies mylonitic shear zones developed at T = 420–450°C and P = 0.2–0.4 GPa, which are the metamorphic peak conditions of the Argentera-Mercantour Massif in Alpine times.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10505 - Geology

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Lithos

ISSN

0024-4937

e-ISSN

—

Svazek periodika

372

Číslo periodika v rámci svazku

November : 105653

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

15

Strana od-do

nestránkováno

Kód UT WoS článku

000571822300008

EID výsledku v databázi Scopus

2-s2.0-85087751834