The Earth as a planetary system has experienced significant change since its formation c.
4.54 Gyr ago. Some of these changes have been gradual, such as secular cooling of the …

Magnesium (Mg) has an atomic number of 12 and belongs to the alkaline earth element
(Group II) of the Periodic Table. The pure Mg is a silvery white metal and has a melting point …

Crustal recycling at convergent plate boundaries is essential to mantle heterogeneity.
However, crustal signatures in the mantle source of basaltic rocks above subduction zones …

This textbook is a complete rewrite, and expansion of Hugh Rollinson's highly successful
1993 book Using Geochemical Data: Evaluation, Presentation, Interpretation. Rollinson and …

Initially, it may seem extremely daunting to be sitting in front of several thousand carats of
small diamonds, knowing that the likelihood of finding a diamond with a meaningful …

Abstract The North China Craton (NCC) has been thinned from> 200 km to< 100 km in its
eastern part. The ancient subcontinental lithospheric mantle (SCLM) has been replaced by …

This work presents the systematic investigation of K contents and stable K isotopic
compositions of surface waters, groundwater, wastewaters, suspended particles, bed …

The geochemical signatures of subducting crust have been identified in various types of
mafic igneous rocks at convergent plate boundaries, where island arc basalts (IAB) and …

Oxygen fugacity (fO 2) is a key factor that controls the formation of porphyry Cu deposits.
Porphyry Cu deposits are typically oxidized, but when and how porphyry magmas gain their …

Much work has been undertaken quantifying the abundance of phyllosilicate clay minerals
in soils, sediments and rocks of Earth's crust. However, no detailed global compilation of …