The Terra Nova Intrusive Complex (TNIC) in northern Victoria Land, Antarctica, results from widespread magmatism during the Early Paleozoic Ross Orogeny. According to field relationships, geochemistry, and geochronology data, part of TNIC comprises Browning Unit (BIU), which is associated with an arc crustal melting including migmatization Wilson Metamorphic Complex, later Campbell (CIU), attri...

In the Khibiny and Lovozero alkaline massifs, there are numerous xenoliths of so-called ‘aluminous hornfelses’ composed uncommon mineral associations, which, firstly, ultra-aluminous, secondly, highly reduced. (K,Na)-feldspar, albite, hercynite, fayalite, minerals phlogopite-annite cordierite-sekaninaite series, corundum, quartz, muscovite, sillimanite, andalusite rock-forming minerals. Fluorit...

The Rb-Sr whole-rock isochron, age 1636 ± 66 Ma of Mirgarani granite, is the one oldest granite dated in northwestern part Chhotanagpur Granite Gneiss Complex (CGGC). initial Sr ratio 0.715 0.012 (MSWD = 0.11), showing an S-type affinity. has intruded migmatite complex Dudhi Group and forms formation comparable to granites Bihar Mica Belt around Hazaribagh (1590 30 Ma). present studies have est...

The Ellsworth belt is one of several fault-bounded blocks exposed along the southeastern coast Maine that formed within Ganderia. New ID-TIMS U–Pb geochronological data integrated with field relationships provide additional insights into timing magmatism and deformation in belt. deformed Lamoine Granite was selected for zircon analysis to: (i) establish protolith age; (ii) direct temporal const...

A chloritoid schist from the Medvednica Mts. (Croatia, Zagorje-Mid-Transdanubian zone) is part of metasedimentary succession a Palaeozoic-Mesozoic Metamorphic Complex. The studied samples show mineral association chloritoid, chlorite, quartz and white mica. P-T pseudosection, combined with modal chemical isopleths, classical thermobarometric calculations yield peak metamorphic conditions 0.8 – ...

The Napier Complex in Enderby Land and western Kemp is a unique component of the East Antarctic Shield because it records timeline crustal growth from Eo- to Neoarchean. It mainly composed enderbitic charnockitic gneisses granulites that were metamorphosed at ca. 2.5 Ga, locally 2.8 under high- ultra-high-temperature conditions. Despite generating scientific interest for several decades, geolog...

The composition of continental crust records a history construction by tectonics and destruction physical chemical erosion. Quantitative constraints on how both igneous addition weathering have modified the continents bulk are essential for understanding evolution geodynamics climate. We extracted temporal trends in sediments protolith intensity from largest available compilation sedimentary ma...