COMMENT ON: "U-Pb geochronology of intrusive rocks of northwestern Mesa Central province and Sector Transversal of Sierra Madre Oriental, Mexico: Time and space distribution of inland Cretaceous-Paleogene magmatism during Mexican orogeny"

被引:1
作者
Chavez-Cabello, Gabriel [1 ]
Ramirez-Pena, Cesar Francisco [1 ]
机构
[1] Univ Autonoma Nuevo Leon, Fac Ciencias Tierra, Carretera Linares Cerro Prieto Km 8, Linares 67700, Nuevo Leon, Mexico
关键词
Mesa central; Flat-slab subduction; Mexican orogeny; Plutons; Mexico; PLUTON EMPLACEMENT; THRUST BELT; DEFORMATION; EVOLUTION; AGE;
D O I
10.1016/j.jsames.2023.104637
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
In their paper: U-Pb geochronology of intrusive rocks of northwestern Mesa Central province and Sector Transversal of Sierra Madre Oriental, Mexico: Time and space distribution of inland Cretaceous-Paleogene magmatism during the Mexican orogeny, Diaz-Bravo et al. (2022) present a database of geochronological ages reported in literature and seven generated by themselves, with which they adapt a model of flat-slab subduction to explain the geographical distribution of the Cretaceous-Paleogene magmatism in north-central Mexico. In our opinion, the paper contains limited bibliographic documentation, since it omits previously published zircon U-Pb ages, whose relationship with the Mexican orogeny has been discussed in several previously published papers. Furthermore, an important approach on the distribution of plutons is that the effects of contractional deformation during pluton emplacement and younger extensional tectonics in the studied area were not evaluated. We propose that the syntectonic relationships with the Mexican Orogeny for some of the plutons imply that the magmas were emplaced in rocks undergoing shortening and eastward-NE translation during the development of the Mexican fold and thrust belt. Therefore, they are not in their original position and must be carefully studied to establish the magmatic model presented in this work.
引用
收藏
页数:5
相关论文
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