Being rather common in carbonate minerals, isomorphism has practical importance in the identification of these minerals. The percentage of CO2, which can be mea
Occurring in the oxidation zone of a copper-nickel deposit in Northwestern China,the huntite described in this paper is the first occurrence of this mineral eve
March 23, 1916 witnessed the fall of the Renqiu meteorite near the town of Renqin(38°40' N, 116°08' E). This meteorite, weighing about 300gm,
Method for determining the radical content in dispersed organic matter from coal, asphalt, petroleum and sedimentary rocks by means of ESR is discussed. Factors