Answer:

1.porphyritic texture is developed when magma that has been slowly cooling and crystallising within the Earth's crust is suddenly erupted at the surface, The texture is characteristic of most volcanic rocks.

3. Strata-The term rock strata refers to stacked-up layers of sedimentary rock.

4.Diorite is the plutonic equivalent of andesite. Group - plutonic. Colour - typically speckled black and white. Texture - phaneritic (medium to coarse grained).

5. Marble Grain size – medium grained; can see interlocking calcite crystals with the naked eye. Texture: Granoblastic, granular.

Explanation:

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