Irone Stone And Carbosjndjns

Question 1

sedimentary rocks dominantly composed of iron that may be in the form of oxides, hydroxides, carbonates, sulfides, or silicates.

Answer 1

Ironstones

Question 2

The iron mined today is from Precambrian rocks known as

Answer 2

Banded Iron formations

Question 3

Rocks with high concentrations of iron.

Answer 3

Ironstones

Question 4

A major type of BIF that dominate
the ARCHEAN iron-rich sedimentary

Answer 4

Algoma type

Question 5

• A major type of BIF that dominate PROTEROZOIC iron-rich sedimentary rocks

Answer 5

Superior type

Question 6

A type of BIF that deposited immediately during glaciation during the Snowball Earth period,

Answer 6

Raptian type

Question 7

This type of BIFS are similar to Superior but have little economic significance.

Answer 7

Raptian type

Question 8

Organic-rich deposit that generally form in swamps where organic materials may be preserved.

Answer 8

Peat

Question 9

Remains of plant materials that accumulates underwater in anoxic conditions.

Answer 9

Sapropel

Question 10

Sedimentary rocks that are rich in solia organic matter.

Answer 10

Coal

Question 11

A classification of coal based on how “cooked” they are.

Answer 11

Coal rank

Question 12

Coal rank

Answer 12

RANKS:
1. Lignite
2. Sub-bituminous
3. Bituminous
4. Anthracite

Question 13

Mudrocks that are rich in organic materials that can be extracted in the form of liquid (oil) or gas (natural gas).

Answer 13

Oil shales