three types of rocks

Question 1

Igneous Subtypes

Answer 1

Granite and Obsidian

-Granite, buildings, statues, countertops e.t.c
-Crystals such as diamond and amethyst are used in jewellery and industrial cutting
-Bulk/quarry stones, used in construction and landscaping Rock containing minerals
Aluminium, copper, gold, tin and other precious metals

Question 2

Types of sedimentary rock

Answer 2

When Sedimentary rock forms, salt crystals glue the layers together making Sedimentary rocks. These include
-Sandstone, building material
-Coal and Bitumen, Fossil fuels provide the energy to heat our homes e.t.c
-Gypsum, Drywall in homes
-Limestone, Aggregates for road construction
-Potash, Fertilizers

Question 3

What rocks are formed by Metamorphic rock?

Answer 3

When Metamorphic rock is in high pressure and has temperature changes, the following rocks are formed:

-Marble, used in construction, statues/art and industrial applications
-Graphite, used in pencils, industrial lubricant
-Slate, roof and floor tiles
-Metallic minerals, Gold, Silver, Copper, Nickel are found within metamorphic rock