Non-time-critical scheduled medications â these are medications where. early or delayed administration within a specified range of either 1 or 2. hours should not cause harm or result in substantial sub-optimal therapy. or pharmacologic effect.
Slate is a low grade metamorphic rock generally formed by the metamorphosis of mudstone / shale, or sometimes basalt, under relatively low pressure and temperature conditions.
Gneiss Hornfels Marble Mylonite Quartzite Schist Slate Introduction Features Igneous rocks Sedimentary rocks Metamorphic rocks Schist is medium grade metamorphic rock, formed by the metamorphosis of mudstone / shale, or some types of igneous rock, to a higher degree than slate, i.e. it has been subjected to higher temperatures and pressures.