APPLICATION OF EMPA-XRD-SEM TO STUDY THE MINERALOGICAL CHARACTERISTICS OF TURQUOISE FROM XICHUAN, HENAN PROVINCE

Application of EMPA-XRD-SEM to Study the Mineralogical Characteristics of Turquoise from Xichuan, Henan Province

BACKGROUND The Xichuan turquoise mining area in Henan Province belongs to the east extension of the turquoise metallogenic belt in the junction of Hubei and Shaanxi Provinces.A lot of turquoise artifacts have been excavated in many early archaeological sites near Xichuan.Therefore, the distribution of the Xichuan turquoises has attracted wide atten

read more



SET OF CONCEPTS RELATED TO THE PLACE IN HUMANIST GEOGRAPHY: AN APPROACH TO UNDERSTAND THE AFFECTIVE RELATIONSHIP OF MEN WITH THE ENVIRONMENT

The place is a key-concept in Geography, its definition has not always been clear throughout history this science.The same seems to clairemax nude take on more evident contours and occupy its due place with the Humanist Geography, from the 1970s.However, still it is necessary to reinforce the concepts theories surrounding this concept.In this aspec

read more