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handle: 10261/7018 , 20.500.14352/88373
[ES] El presente trabajo aborda el estudio metamorfico del sector «El Vellon - Pedrezuela». Mediante la determinación de los diferentes tipos de paragenesis minerales que contienen los materiales que afloran en este sector (metapelitas. metasamitas. anfibolitas y rocas calcosiiicatadas). de sus relaciones interminerales y de sus penodos de blastesis. se establece un metamorfismo regional progresivo de grado medio. Dicho metamorfismo se caracteriza por unas condiciones de 5.25 Kbar y 550 ºC para un periodo de interfase yariando estas durante la segunda fase a 4 +- 0.5 Kbar y 600 ºC. Ei gradiente metamorfico aumenta di: 26 ºC/Km. a 380 +- 5 ºC/Km desde el periodo de interfase a la segunda fase hercinica.
[EN] This paper studies tbe progressive regional metamorphism in the aVellon - Pedrezuela.) area. By determination of ihe mineral paragenesis present in these materials that outcrop in the sector (metapeiites. metasamites. anphibolites and ~alcosilicates rocks) and also by the indetermineral and blastesis-age relations, a progessive medium grade regional metamorphism has been defined. This metamorphism is caracterized by 5.25 Kbar, 550 ºC conditions in the interpbase and 4 +- 0.5 Kbar, 600 ºC in the second Hercynian phase. The metamorphic gradient changed from 26 ºC/Km to 380 +- 5 ºC/Km.
Peer reviewed
2506.13 Petrología Ignea y Metamórfica, 552.16(460), Madrid, Sistema Central, Petrología, Metamorfismo
2506.13 Petrología Ignea y Metamórfica, 552.16(460), Madrid, Sistema Central, Petrología, Metamorfismo
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