From the upper to the lower continental crust exposed in Calabria

被引:7
|
作者
Caggianelli, Alfredo [1 ]
Prosser, Giacomo [2 ]
Festa, Vincenzo [1 ]
Langone, Antonio [3 ]
Spiess, Richard [4 ]
机构
[1] Univ Bari, Dipartimento Sci Terra Geoambientali, Via Orabona 4, I-70125 Bari, Italy
[2] Univ Basilicata, Dipartimento Sci Terra, I-85100 Potenza, Italy
[3] IGG CNR, I-27100 Pavia, Italy
[4] Univ Padua, Dipartimento Geosci, I-35131 Padua, Italy
来源
GEOLOGICAL FIELD TRIPS | 2013年 / 5卷 / 01期
关键词
Calabria; continental crust; Hercynian orogeny; granitoids; contact metamorphism; granulites;
D O I
10.3301/GFT.2013.02
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
Outcrops of the pre-Mesozoic basement, representative of the whole Hercynian continental crust are exposed in Calabria. This is the result of Tertiary geological evolution that brought to the surface different crustal levels. This geological field trip aims to provide a general picture of the continental crust that hopefully may represent a reference frame for geochemical, rheological and geophysical models. The itinerary develops in central and southern parts of Calabria, namely in the Serre massif and in the promontories of Capo Vaticano and Monte Sant'Elia. In three days it is possible to examine compositional and structural features across an entire crust section. Thus rocks affected by very low-grade to granulite facies metamorphism and distinctive features of granitoids emplaced at different structural levels will be examined. The effects of the intense thermal perturbation produced by granitoid emplacement are visible both in the upper and in the lower crust, in a sharp metamorphic aureole and in a migmatitic border zone, respectively. Finally, some cases of Paleozoic rocks with strongly partitioned deformation, produced by Tertiary tectonics in the brittle and the ductile domains, can be observed.
引用
收藏
页码:2 / 49
页数:48
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