Q2. A rock has been crystallized form magma then it is changed into a metamorphic rock and finally become a sedimentary rock as sandstone with mineral contents of quarta ( 85%), potassium feldspar (10%) and mica. I- What is the name of igneous rock which contents these mineras? what is the type of this rock regarding silica content ? 2- What is the type of magma which produces this igneous rock ? what is the type of this rock regarding the environment of formation? 3- If we assume (a) that this igneous rock is formed from lava, what are the type of lava, viscosity and the volcanic eruptions produce this igneous rock?
Q2. A rock has been crystallized form magma then it is changed into a metamorphic rock and finally become a sedimentary rock as sandstone with mineral contents of quarta ( 85%), potassium feldspar (10%) and mica. I- What is the name of igneous rock which contents these mineras? what is the type of this rock regarding silica content ? 2- What is the type of magma which produces this igneous rock ? what is the type of this rock regarding the environment of formation? 3- If we assume (a) that this igneous rock is formed from lava, what are the type of lava, viscosity and the volcanic eruptions produce this igneous rock? + What are the type of metamorphism agent that make this igneous rack changed? and what are the name of this metamorphic rock and its texture? E What are type of weathering that make this melamorphic rock changed into sediments? and what are the produce of this kind of weathering? 6- What are the type of diagenesis that make this sediments becomes a sedimentary rock as a sandstone? what are the type of this rock and its texture? how we can chassified this sedimentary rocks (sandstone)? If you could, explain these process consecutively ( fron the moment that magma erystallized to form igneous rock until it hecome a sedimentary rock as sandstone.
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