petrogenesis

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petrogenesis

[¦pe·trō′jen·ə·səs]
(petrology)
That branch of petrology dealing with the origin of rocks, particularly igneous rocks. Also known as petrogeny.
References in periodicals archive ?
[Fe.sup.3+] content is also important in calculating the [AF.sup.*] factors and Mg# that are used in the petrogenetic projections below.
The previous affirmations indicate that the high values in the relation Sr87/Sr86 and the negative values of contemporary [[epsilon].sub.Nd], point out a magmatism that extends for this whole lapse, besides that geochemical and isotopic data determine a petrogenetic environment corresponding to a pre-continental rifting phase (Wilson, 1989), originated by the influence of the Pangean superplume.
and Iizuka, Y.: 2009, Apatite Composition: Tracing petrogenetic processes in Transhimalayan granitoids.
The mineralogical and chemical composition of granite is controlled by petrogenetic processes (Chappell & White, 2001).
Petrogenetic implications of the mineral-chemical characteristics of scheelite and associated phases from Miniki Gol (Chitral), North West Pakistan.
Precise U--Pb ages of of Duluth Complex and related mafic intrusions, northeastern Minnesota: geochronological in-sights into physical, petrogenetic, paleomagnetic and tectonomagmatic processes associated with the 1.1 Ga mid--continent rift system.
Petrogenetic interpretation of granitoid rock series using multicationic parameters.
Radiogenic isotope ratios in minerals, or portions of them, can be used as a petrogenetic "DNA" to record the history of the magma reservoir (crystal isotope stratigraphy, e.g., [7]) and their evolution within the crust (e.g., [1, 5, 7, 8, 65-67]).
Suzuki, "A low F pegmatite-related Mo skarn from the Southwestern Grenville Province Ontario, Canada: Phase equilibria and petrogenetic implications," Economic Geology, vol.
Petrogenetic Implications of Ti, Zr, Y and Nb Variations in Volcanic Rocks.