Four of the metamorphic rocks are gneiss,slate,marble and schist.
Igneous, sedimentary, metamorphic, and extraterrestrial.
What are the four metamorphic rock producing processes
sedimentary,metormorphic , igneous .........
There are three broad categories of rock (Igneous, Metamorphic and Sedimentary) but these are themselves further subdivided into a large number of differing rocks.
Sedimentary rocks are formed by a four step process called Lithification (1. Erosion, 2. Deposition, 3. Cementation, 4. Compaction). Metamorphic rocks are formed by heat, time, and pressure.
Slate is a low-grade metamorphic rock characterized by fine-grained foliated structure. Phyllite is intermediate-grade metamorphic rock with a greater degree of crystallization and foliation than slate. Schist is a medium-grade metamorphic rock with visible mineral grains and strong foliation. Gneiss is a high-grade metamorphic rock with distinct banding of light and dark minerals and high crystallization.
First a rock gets erupted within or on the Earth surface in the form of igneous rocks. Those are over time eroded away and deposited as sedimentary rocks. By subjecting these rocks to tremendous pressure and heat they metamorphose or change into metamorphic rocks which can eventually wind up in molten state and get re-introduced and erupt back as igneous rocks.
rocks,ocean,glasiers,animals trust me
Igneous,sedimentry and metamorphic
Slate, hornfels, schist, gneiss.
There are four syllables. Met-a-mor-phic.
Four types of metamorphic rock are marble, slate, quartzite, and schist. Each of these rocks forms through the alteration of existing rock types under high pressure and temperature conditions deep within the Earth's crust.