1 Paint-there are dozens of quality brands available, and for a room in the size described it will require two full gallons to cover the walls. 2  The better paints will cost between $30 and $50 per gallon, and will come as flat, semi-gloss, or glossy finish.
Foliation is the result of the parallel arrangement of (micas, etc.) in a plane perpendicular to the maximum principal applied stress. A lineation is caused by a similar growth of elongate minerals (eg. hornblende) in this plane. Slate, schist, and gneiss are three common foliated metamorphic rocks.
Metamorphic rocks fall into two major categories: foliated metamorphic sedimentary rocks non-foliated metamorphic rocks. Refer to Metamorphic Rock Photos for more visual examples of each of these metamorphic rock types. Foliated (Layered) Metamorphic Rocks 1. slate Slate is metamorphosed shale.Slate is tougher than shale and it breaks into thin, flat layers.Slate is usually dark gray, but it can also be red colored.efer to Metamorphic Rock Photos for more visual examples of each of these metamorphic rock types. Foliated (Layered) Metamorphic Rocks 1. slate Slate is metamorphosed shale. Slate is tougher than shale and it breaks into thin, flat layers. Slate is usually dark gray, but it can also be red colored.