mica schist

Underlying the county is mostly in calciferous mica schist district.

The roof is composed of rock with mica schist and limestone.

The bridge is reinforced concrete faced in mica schist.

Calcareous mica schist and calc-phyllite. 80 grey with red circles.

Silvery mica schist is exposed along the creek.

Describe the microstructures in this 7mm wide view of a mica schist, and deduce the geological history.

Rocks include granite gneiss, mica schist, and sand and gravel.

All the routes in the Neptune's Wall area are on wonderful solid rock (mica schist, apparently).

The natural condition for the quernstone and millstone production in the area is the rock type garnet mica schist.

The principal rock is calciferous mica schist.

About 75 feet below the ground was mica schist, the bedrock that defines all Manhattan geology and high-rise real estate.

Other include amphibolite, khondalite and mica schist.

Rocks are mostly of the calciferous mica schist, except in the southeastern part, where they are granite.

The principal minerals are coarse quartzite, quartz-feldspar gneiss and mica schist.

Metamorphic rock (mica schist), in which the minerals have been aligned by intense pressure at depth within the Earth's crust.

Above this is a black mica schist, and the top layers are a brown coloured metapelite and a quartzite.

The soil formation in this forest land is a mixture of brown earth and ironpans that are formed above the Dalradian mica schist.

Manhattan mica schist.

Mica schist of sedimentary origin s.l.

At its base is mica schist, with some gneiss and migmatite formed from sediments older than the Permian.

The lowest strata of the Spessart are made up of gneiss and mica schist, dating back around 1,200 million years.

The Littleton Formation is primarily a mica schist with zones containing garnet and staurolite-sillimanite.

At the peak of this mountain, one emerges into the open, on a high platform of the Manhattan mica schist, the foundation of the borough.

These areas were made up of mica schist that was severely laminated, cross-faulted in many areas and interspersed with talc.

It is a silicate of aluminia and iron, and is generally found imbedded in mica schist.