A low-grade metamorphic ultramafic rock at the Kval ya Island, North Norway, shows Ni content up to 5 600 ppm, and an average content of 2 500 ppm Ni. Olivine i
The iron-oxide system can be used as a marker of oxidized and reduced conditions in closed systems. However, natural rocks with iron-oxide minerals also exhibit
Conventional electron and optical microscopy techniques require the sample to be sectioned, polished or etched to expose the internal surfaces for imaging. Howe
Springer Verlag,Berlin,2013,679 pp.ISBN:978-94-007-4443-1 China is the third largest country in the world,with a land area of about 9.6 million km2.It is endowe