Definition of Terms

Question 1

is a naturally occurring inorganic substances that have physical and
chemical characteristics that can be mined at a profit.

Answer 1

Ore

Question 2

is a natural occurring substance that have physical and chemical
characteristics.

Answer 2

Mineral

Question 3

an organic remain formed from accumulation of plant material
buried beneath the surface that has undergone incomplete oxidation.

Answer 3

Coal

Question 4

stratum of coal parallel to rock stratification

Answer 4

Coal Seam

Question 5

a coal measures 81 hectares

Answer 5

Coal Block

Question 6

are toxic waste material derived from internal combustion of
coal

Answer 6

Coal Ash

Question 7

heating value of coal

Answer 7

British Thermal Unit (Btu)

Question 8

a bed or bank of waste material dividing veins or beds soft thin sedimentary layer following a surface of separation between thicker strata of different lithology

Answer 8

Parting

Question 9

an arrangement or deposition of sedimentary materials in layers or of sedimentary rock in strata

Answer 9

Stratification

Question 10

rock or sediments composed of clasts which have been transported
from their place of origin like sandstone and shale.

Answer 10

Clastic Material

Question 11

processed and purified coal

Answer 11

Clean Coal

Question 12

formation of coal from plants by the process of diagenesis and
metamorphism.

Answer 12

Coalification

Question 13

chemical and physical changes occurring in sediments during and after their
deposition but before consolidation.

Answer 13

Diagenesis

Question 14

sequence of sedimentary rock formation

Answer 14

Bedding

Question 15

sequence of igneous rock formation

Answer 15

Layering

Question 16

a surface mine working place where coal is mine by open pit method.

Answer 16

Coal Pit

Question 17

Coal consists of distinct components

Answer 17

Macerals

Question 18

the systematic microscopic study and quantification of the proportion and characteristics of constituents contained in coal

Answer 18

Coal petrography

Question 19

Megascopic constituents contained in coal

Answer 19

Lithotypes

Question 20

various combinations of macerals make up the _____.

Answer 20

coal lithotypes

Question 21

Enumerate the lithotype

Answer 21

-Vitrain
-Clarain
-Durain
-Fusain