Premium
Diamond growth during ultrahigh‐pressure metamorphism of the Kokchetav Massif, northern Kazakhstan
Author(s) -
De Corte K.,
Korsakov A.,
Taylor W. R.,
Cartigny P.,
Ader M.,
De Paepe P.
Publication year - 2000
Publication title -
island arc
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.554
H-Index - 58
eISSN - 1440-1738
pISSN - 1038-4871
DOI - 10.1046/j.1440-1738.2000.00287.x
Subject(s) - metamorphism , massif , diamond , geology , geochemistry , graphite , carbon fibers , mineralogy , metallurgy , materials science , composite number , composite material
Characteristic features of in situ diamonds can be used to retrace diamond formation during ultrahigh pressure (UHP) metamorphism of the Kokchetav Massif, Kazakhstan. These features include the nitrogen aggregation state in diamond, dissolution features observed on diamond surfaces, and the carbon and nitrogen isotopic composition of the diamonds. The minerals in which the diamonds are included provide additional information and support the view that at least some of the Kokchetav microdiamonds are the products of prograde or peak UHP metamorphism. The coexistence of diamond and graphite is evaluated within this framework.