By Bernard Charlier, Olivier Namur, Rais Latypov, Christian Tegner
This edited paintings comprises the latest advances with regards to the examine of layered intrusions and cumulate rocks formation. the 1st a part of this publication provides stories and new perspectives of strategies generating the textural, mineralogical and geochemical features of layered igneous rocks. the second one half summarizes growth within the research of chosen layered intrusions and their ore deposits from diversified elements of the realm together with Canada, Southwest China, Greenland and South Africa.
Thirty specialists have contributed to this replace on contemporary examine on Layered Intrusions. This hugely informative publication will offer perception for researchers with an curiosity in geology, igneous petrology, geochemistry and mineral resources.
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Extra info for Layered Intrusions
Hirschmann et al. 1) and used these cooling ages to evaluate the cooling history of the intrusion and the timing of the Skaergaard intrusion relative to eruption of the East Greenland basalts. Hamilton et al. 0 Ma: gabbro pegmatite) systematics. These results indicated rapid cooling of the Rum intrusion and were used to calculate magma production rates for the Skye volcanic centre comparable to those for magmatism above upwelling mantle plumes such as Hawaii. 40Ar/39Ar geochronological results from Tegner et al.
1 Geochronology of Layered Intrusions 6$%33/ 6$%;3/ 37 6$$;3/ 6$%;3/ FS[ FKURPLWH ELRWLWH]LUFRQ SODJ ELRWLWH]LUFRQ RS[ ELRWLWH DSDWLWH RS[ VXOILGH SODJ SODJ ROLYLQH FS[ RS[ FP a RS[ ]LUFRQ FP b FP c FP d Fig. 10 Images of scanned thin sections for dated samples from the Merensky Reef (all sections are standard size, 45 × 25 mm). a Section SA04-11B (PPL) from the West Mine, Western Limb, showing the relative sizes and distribution of the main minerals (orthopyroxene, opx; plagioclase, plag; biotite, bio; chromite) and the locations of zircon and apatite; white box indicates location of zircon rim around sulphide shown in Fig.
02 % (2s) based on replicate analysis of the NBS-982 Pb reference material throughout the course of this study. Due to the presence of two U isotopes in the spike, U is self-corrected in each run.