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Mineralogy and Chemistry of Desert Roses, Ayn Dar Area, Abqaiq, Eastern Province, Saudi Arabia
(
Qatar University
, 2002 , Article)
Desert roses are crystals which usually take the form of rose petal. They have definite crystal shapes, and enclose sand grains. The desert roses were scattered along an area of about 500m2 in the Ayn Dar area, near Abqaiq, ...
Whole-rock powders and their analysis by an electron mocroprobe technique
(
Qatar University
, 2001 , Article)
Basic rock powders finder than 100 mesh were fushed in a molybdenum and tungsten boat in nitrogen atmosphere. The fusion technique uses very small amounts of sample which is suitable for rapid analysisof rock sample, ...