Yasmin El Mahdawi

Yasmin El Mahdawi

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Yasmin El Mahdawi
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Lameroo Beach - Darwin.The claystones were formed and coloured about 120 million years ago in the sediments of the inland sea.

The claystones were formed and coloured about 120 million years ago in the sediments of the inland sea.

Pegmatite is very crystalline, an intrusive igneous rock composed of interlocking crystals usually larger than 2.5 cm in size; such rocks are referred to as pegmatic. Most pegmatites are composed of quartz, feldspar and mica; in essence a granite.

Pegmatite is very crystalline, intrusive igneous rock composed of interlocking crystals usually larger than cm in size; such rocks are referred to as pegmatic. Most pegmatites are composed of quartz, feldspar and mica; in essence a granite.