وتتكون معظم صخور الدولوميت نتيجة إحلال الحجر الجيرى بكربونات المغنسيوم. Dolomite: A sedimentary rock known as dolostone or dolomite rock. Dolomite and line are similar rocks. Both are sedimentary . It is vuggy, has a high silica content, and is much harder and tougher than the typical ...
Wollaston LakeWikipedia. Wollaston Lake is a lake in northeastern Saskatchewan, Canada is 550 kilometres (340 mi) northeast of Prince Albert.With a surface area of 2,286 square kilometres (883 sq mi) (excluding islands 2,681 square kilometres (1,035 sq mi) if islands are included), it is the largest bifurcation lake in the worldthat is, a lake that drains naturally in two directions.
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