Chapter 4. PHASE EQUILIBRIA AND THERMOBAROMETRY OF METAPELITES

Pattison, David R.M.; Tracy, Robert J.

doi:10.1515/9781501509612-007

Cited by 104 publications

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“…2, NW Sierra de Chepes; Dahlquist and Baldo, 1996;Pankhurst et al, 1998). The main reactions in the KFMASH system are after Spear (1993) and Pattison and Tracy (1991). Al 2 SiO 5 phase relations according to Guowei et al (1994).…”

Section: Petrography and Mineral Chemistrymentioning

confidence: 99%

Petrogenesis of cordierite-bearing S-type granitoids in Sierra de Chepes, Famatinian orogen, Argentina

Dahlquist

Rapela²,

Baldo³

2005

Journal of South American Earth Sciences

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Section: Petrography and Mineral Chemistrymentioning

confidence: 99%

Petrogenesis of cordierite-bearing S-type granitoids in Sierra de Chepes, Famatinian orogen, Argentina

Dahlquist

Rapela²,

Baldo³

2005

Journal of South American Earth Sciences

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“…The high-temperature, low-pressure assemblage of the upper sillimanite zone (Fig. 3f) is equivalent to facies series type 3 of Pattison and Tracy (1991). The highest metamorphic degree is found near the central granitic sheets.…”

Section: Metamorphic Rocksmentioning

confidence: 94%

“…Low pressure-high temperature metamorphism is common in contact aureoles around large intrusions (e.g., Pattison and Tracy 1991). This suggests that metamorphism and intrusive activity were related to a common mechanism of heat transfer.…”

Section: Timing Of Magmatism and Metamorphism In Dmcmentioning

confidence: 99%

Magmatic and metamorphic history of the Deh-Salm metamorphic Complex, Eastern Lut block, (Eastern Iran), from U–Pb geochronology

Mahmoudi¹,

Masoudi²,

Corfú

et al. 2009

Int J Earth Sci (Geol Rundsch)

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The Deh-Salm metamorphic Complex (DMC) of the Lut block in East Iran consists of metapelites, amphibolites, marbles, and metasandstones intruded by granite and pegmatites. U-Pb dating of zircon, monazite, xenotime, and titanite by ID-TIMS show that the granitic rocks were emplaced at 166-163 Ma, confirming that the high temperature metamorphism was synchronous with the intrusive activity, and that the region cooled rapidly thereafter. Late-to post-magmatic hydrothermal activity was probably responsible for the late crystallization, at 159.5 Ma, of zircon and titanite in an amphibolite and of monazite in granite. Xenocrystic zircons yield indications for a Carboniferous component in the source, together with a variety of Precambrian ages, which indicate a provenance of the sedimentary protolith from mature continental crust. The timing and rapidity of the events are consistent with evolution of the DMC in a back-arc environment during the Jurassic subduction of the Neotethys Ocean.

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“…The depth of emplacement of an intrusion can be reliably determined by calculating the pressure of contact metamorphism in the country rocks that is often assumed to be constant if the aureole is not too wide. When aureoles develop in pelitic rocks, quick inspection of the progressive zoneography of metamorphism can already give quite precise pressures, as outlined by Pattison and Tracy (1991). In the case of Vedrette di Ries, the ubiquitous presence of andalusite and staurolite in the intermediate zones of the aureole (Cesare 1994(Cesare , 1999a implies that the pressure of contact metamorphism is in the range 0.35-0.45 GPa, if the triple point of Pattison (1992) is used.…”

Section: Contact Metamorphismmentioning

confidence: 99%

Beauty and complexity of metamorphism: case studies from the frontal part of the Adria microplate

Cesare

Mazzoli

Sassi

et al. 2010

Rend. Fis. Acc. Lincei

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We review a selection of case studies that highlight the fascination and complexity of metamorphic processes and mechanisms, as revealed in rocks from the crystalline basement of the frontal part of the Adria microplate. The examples from the Austroalpine metamorphic rocks south of the Tauern Window, and from the crystalline basement lying more southwards underneath the Po plain, are presented for their petrologic importance and their relevance to other contexts worldwide. They mostly deal with important aspects of metamorphic processes such as kinetics of mineral reactions, thermobarometry in polymetamorphic rocks, fluid-rock interactions, and microstructures of contact metamorphism in previously metamorphosed rocks. Although they are reported primarily for their help in understanding nano-/micro-scale processes of metamorphism, these examples also have some implications for the geologic evolution of this sector of the Eastern Alps.

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Chapter 4. PHASE EQUILIBRIA AND THERMOBAROMETRY OF METAPELITES

Cited by 104 publications

References 0 publications

Petrogenesis of cordierite-bearing S-type granitoids in Sierra de Chepes, Famatinian orogen, Argentina

Petrogenesis of cordierite-bearing S-type granitoids in Sierra de Chepes, Famatinian orogen, Argentina

Magmatic and metamorphic history of the Deh-Salm metamorphic Complex, Eastern Lut block, (Eastern Iran), from U–Pb geochronology

Beauty and complexity of metamorphism: case studies from the frontal part of the Adria microplate

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