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Publications (13)
Significantly different peak pressure–temperature (P–T) conditions (18–26 kbar and 630–760°C versus 29–37 kbar and 750–940°C) have previously been published for eclogite and related metabasites from the south‐eastern flank of the Pohorje Mountains in Slovenia. These rocks can show a bimodal distribution of chromium in the rock‐forming minerals, par...
Contrasting views exist in the literature in regard of the evolution of metamorphic rocks in the southeastern Pohorje Mountains (Mts), located in the southeastern Eastern Alps. Major debated points are whether micaschists have experienced ultrahigh‐pressure metamorphism in the Late Cretaceous (Eo‐Alpine) and whether they were continuously exhumed o...
Eclogites form in different geotectonic environments such as subduction zones or roots of overthickened continental crust. The specific environment can be identified by the construction of pressure-temperature (P-T) trajectories. We determined the P-T path of eclogite from the Les Essarts high-pressure unit, Southern Armorican zone in western Franc...
Ultrahigh-pressure metamorphism has recently been reported from various crustal rocks in the Seve Nappe Complex (SNC) in which microdiamonds were found. However, in gneiss from the Lower Seve Nappe (LSN), neither any direct petrographic indication for UHP was reported nor the metamorphic evolution was well constrained. We studied a mylonitic gneiss...
The southern Brasília belt (SBB) evolved during the Neoproterozoic amalgamation of Western Gondwana. The Andrelândia nappe system (ANS) is part of the SBB and a key area to understand the tectono-metamorphic evolution of the SBB due to the ongoing controversy concerning whether peak metamorphism occurred at >650 Ma, >618 Ma or 605 Ma in the upper n...
The Austroalpine nappe stack of the Pohorje Mountains (Mts.) in northeastern Slovenia comprises a suite of eclogite facies metamorphic rocks that were partially assigned to Eo‐Alpine ultrahigh‐pressure metamorphism (UHPM). We selected a micaschist, which was previously related to this metamorphism, for a detailed study including the chemical zonati...
Eclogites are witnesses of geodynamic processes that are commonly related to subduction of oceanic crust. Information on the part of these processes that refers to the burial of this rock type is rarely published but stored in the eclogitic garnet core and inclusions therein. To better understand general aspects of the burial process, a literature...
Ultrahigh-pressure (UHP) metamorphism has recently been reported from various crustal rocks in the Seve nappe complex (SNC) in which microdiamonds were found. We studied a gneiss from the Åreskutan Nappe in central Sweden. This nappe of the SNC was recently interpreted to have experienced UHP metamorphism. The studied medium-grained and well foliat...
Two phengite‐garnet‐bearing metapelites from the Nevado‐Filábride Complex, Betic Cordillera, one from the Ragua unit (sample 23085) and the other (sample 23098) from the Calar Alto unit, were studied in detail to elucidate their metamorphic evolution. We calculated various P‐T pseudosections for different O2 and H2O‐CO2 contents and Fe³⁺/Fe²⁺ ratio...
The Malpica-Tuy complex (MTC) in northwestern Spain is a key area for the understanding of geodynamic processes related to the early collision of Gondwana and Laurussia. To better understand this collisional situation in Variscan times, we deciphered mass-flow paths in terms of pressure (P) and temperature (T) for five samples (three eclogites, a g...
Two garnet-chloritoid bearing metapelites from the northern Malpica-Tuy unit (MTU) and a staurolite-andalusite bearing metapelite from the underlying parautochthon were studied to decipher their pressure-temperature (P-T) evolution, mainly based on chemically zoned minerals, such as phengite, using P-T, P-O2, and T-O2 pseudosections. In addition, m...
An eclogite and its surrounding gneiss from the Malpica-Tuy zone, northwestern Spain, were studied. In addition to garnet and omphacite, the eclogite contains barroisitic amphibole, quartz, phengite with Si contents between 3.27 and 3.45 per formula unit (pfu), rutile, and accessory talc and (clino)zoisite epidote. Garnet exhibits a chemical zonati...
