From Hartman

Question 1

process of recovering mineral elements from a mass of broken ore material that has been piled up in the surface

Answer 1

heap/dump leaching

Question 2

the multiplier by which the elemental concentration must be increased on average for the element to be mineable at a profit

Answer 2

enrichment factor

Question 3

a four-wheeled-drive vehicle

Answer 3

burro

Question 4

other prospecting methods depend on it

Answer 4

geologic prospecting

Question 5

deposits that are formed directly from magmas

Answer 5

primary deposits

Question 6

deposits altered through mechanical/chemical weathering

Answer 6

secondary deposits

Question 7

formed from other minerals when subjected to heat and pressure

Answer 7

metamorphic deposits

Question 8

formed at the same time of the host rock

Answer 8

syngenetic

Question 9

deposits formed after the host rock

Answer 9

epigenetic

Question 10

science of acquiring, processing, and interpreting images and related data obtained from aircraft, satellites and underwater instrumentation systems

Answer 10

remote sensing

Question 11

utilizes images from the visible region of the electromagnetic spectrum

Answer 11

aerial photography

Question 12

science of measuring and interpreting the physical properties of the earth or other astronomical bodies

Answer 12

geophysics

Question 13

process of using geophysical measurements for the purpose of identifying anomalies in the physical properties

Answer 13

geophysical prospecting

Question 14

geophysical prospecting is more successful in

Answer 14

oil and gas

Question 15

aimed at the tendency of certain mineral deposits to produce a weak electric current when interacting with groundwater

Answer 15

self potential

Question 16

used mainly is sulfide and oxide deposits

Answer 16

induced polarization

Question 17

uses very low frequency electromagnetic waves

Answer 17

electromagnetic

Question 18

instrument that detects changes in gravity

Answer 18

gravimeter

Question 19

systematically analyzing the chemical content of rock, stream, sediments, plants, water, air samples

Answer 19

geochemical prospecting

Question 20

concentration or occurrence of material

Answer 20

resource

Question 21

economically mineable part of a measured or indicated resource

Answer 21

reservel

Question 22

low level of confidence of a resource

Answer 22

inferred

Question 23

reasonable level of confidence in a resource

Answer 23

indicated

Question 24

high level of confidence in a resource

Answer 24

measured

Question 25

part of indicated, and sometimes measured, that can be mined

Answer 25

probable

Question 26

part of measured that can be economically mined

Answer 26

proved

Question 27

bit of soil or soft rock

Answer 27

auger bit

Question 28

standard procedure for consolidated rock, moderate to deep depths

Answer 28

diamond drilling

Question 29

soft to medium-hard rock and soil penetrate overburden prior to diamond drilling

Answer 29

rotary drilling

Question 29

bit for soft to medium-hard rock

Answer 29

roller bit

Question 30

for non-coring drilling operation

Answer 30

rotary-percussion or percussion

Question 31

percussion energy is transferred along a drill rod string

Answer 31

traditional percussion drill

Question 32

the drill follows the bit down the hole

Answer 32

downhole percussion drill

Question 33

normally used in coal mine exploration

Answer 33

rotary drilling

Question 34

needed only in coal and uranium exploration core samples still needed for ash, sulfur, and washability analyses

Answer 34

borehole logging

Question 35

categories of mineral reserve estimation

Answer 35

classical methods weighting methods

Question 35

assign mathematical weighs to numerous surrounding samples to provide a statistically more accurate estimation of the grade

Answer 35

weighting method

Question 35

use limited number of samples for reserve estimation

Answer 35

classical methods

Question 36

the entire area of influence is assumed to have a value based on the grade of that ore sample point

Answer 36

area of influence method polygon method extended area method

Question 37

uses a similar procedure with polygon method, but each triangular area is associated with three sample locations

Answer 37

included area method triangle method valence method

Question 37

applies the other two methods under classical methods for massive deposits

Answer 37

section method

Question 38

plot that describes the statistical relationship of samples as a function of the distance between samples

Answer 38

semivariogram/variogram

Question 39

3 dimensional spatial statistics of the earth primary procedure used for grade estimation of large surface mine ore bodies

Answer 39

geostatistics method

Question 40

calculation of the block estimates based on a weighted average of adjacent samples

Answer 40

Kriging