Tufa

Marston Marble

Lava Stone

Tiger Iron

Rocks

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We all know that the rock is right. Locals everywhere! They and the mountains and canyons you can not help. We sipped, we sat on them, and we poured them out of our deals. However, to correct a definite definition … this is not something we all will be doing.

Kimberlite

Kimberlite is an igneous rock that major source of diamonds. Kimberlite is a variety of peridotite.  It is rich in mica minerals content and...
Pyroxenite (Stillwater Complex, Neoarchean)

Pyroxenite

Pyroxenite is an ultramafic igneous rock that contain pyroxene group minerals such as augite, diopside, hypersthene, bronzite or enstatite. This is a coarse-grained rock...

Marl

Marl or the other name Marlstone is a calcium carbonate non-clastic sedimentary rock. It has containt variable of clays and silt. The dominant carbonate...

Chalk

Chalk is a soft, white, highly porous biochemical sedimentary rock composed almost entirely of calcite (CaCO₃) derived from the remains of coccolithophores, microscopic marine...

Siltstone

Siltstone is a clastic sedimentary rock that formed from grains whose sized between that of sandstone and mudstone. It can found different environmental conditions...

Oil Shale

The Geological Story of Energy Trapped in Sedimentary EnvironmentsOil shale may appear at first glance as an ordinary dark-colored sedimentary rock. It's finely layered,...

Shale

Shale is the quiet giant of the sedimentary world. It doesn’t have the visual drama of sandstone cliffs or the crystalline sparkle of limestone...
Garnetite (garnet skarn)

Skarn

Skarn is coarse-grained metamorphic rocks that forms by a metasomatism. Also called tactites. Skarn tend to be rich in calcium-magnesium-iron-manganese-aluminium silicate minerals that also...

Sandstone

An Ancient Record Written in StoneSandstone is one of the most widespread sedimentary rocks on Earth, formed through the accumulation and cementation of mineral...

Phyllite

The Intermediate Stage Where Rocks Change SilentlySome rocks shout. Their crystals shine, their veins are sharp, they make themselves known at first glance.Some are...
Alkaline Pegmatite Rock have large crystal size minerals in it.

Pegmatite

Pegmatite is an igneous rock that form end of the stage a magma’s crystallization. Pegmatites contain exceptionally large crystals and they contain rarely minerals than other types of rocks. They have interlocking crystals usually larger than 2.5 cm in size. Generally most Pegmatites are found in sheets of rock that are dikes and veins Also near large masses of igneous rocks called batholiths.

Moon Rock

Moon rocks are rocks or regolith (the loose, fragmented material on the surface of the Moon) that have been collected during various Apollo missions...