Natural occurring inorganic compound having an orderly internal structure and a definite chemical composition, crystal form and physical property

A production opening in a metal mining

Ore deposits that were formed subsequently with the host rock

Percent increase volume occupied by a given mass of solid material after it has been blasted or broken

Freeing or detaching of large masses of harder rock from parent deposit

The ferruginous Deposit filling the upper part of some mineral veins, forming a superficial cover over masses of pyrite mainly of hydrated, iron oxide, and has resulted from the removal of sulfur, as well as the copper or other sulfides originally

Color of a mineral in its powdered form

The angle assumed to bisect the angle of repose of material

Lowering of strata, including the surface due to underground excavation

most common mineral in the earth’s crust

Term used to refer toward the working face

An opening driven downward from one level to another

The horizontal movement of materials during blasting

Accumulated excreta and remains of birds and bats

Tubular shape, discordant pluton

Concentration of naturally occurring solid liquid or gaseous material in or on the earths crist in such a form that economic extraction of one or more commodities is currently or potentially visible

The operation directly involved in mineral extraction

Mineral with the highest content of copper

The angle of inclination of a deposit measures from the horizontal

Instrument that transmits energy from the drill to the bit

Inert materials used to contain the energy during blasting to ensure better fragmentation

The gaseous envelop surrounding the earth

Volcanic glass

Underground main opening with a single access to the surface

The horizontal component in fault, movement

Term used to refer to the direction of extraction away from the working face and toward the entrance

An order of manganese

resistance of a mineral’s Smooth surface to being scratched

The top edge of a bench in an open pit mine

An instrument used for recording the vibration of the earths crust is

A crystal appearance resembling a slender plant like branches

The vertical measurement of the blasting agent in the blast hole

A description of the way a mineral tends to break

Occurs between the crest and the toe of the bank

Crystal that has replaced another mineral chemistry or structure with its own without changing the outward shape of the original mineral

Failure of a charge to explode when expected

distinct pause or predetermined time between detonation or initiation impulses to permit the firing of explosives charges separated

A smooth, blasting method in which Cracks for the final contour created by blasting prior to the drilling of the rest of the holes for the blast pattern

Chief ore of lead

A down throwin block, bounded by a parallel normal faults is termed as

Describes the manner in which light is reflected from the surface of a mineral

Selenite is a Crystaline variety of the mineral

The wall or rock under the vein

Which of the following minerals is non-magnetic

Pseudomorphism Magic place through any of the following processes except for

Portion of the deposit, overlying and excavation and left in place as a pillar

The physical weight ratio of blasting agent to the material blasted

When a mineral can be readily crushed into find powder, it is sad to be

Central event or close group of conduits were in heated rock materials emerges from the interior of the earth

The minimum Economic tenor of ore

Along with the hanging wall, move up relative to the footwall

The vertical distance drilled below bench floor

The horizontal distance between the bench to and crest at the same time

Which of the following minerals effervesces in cold dilute HCL

What is the coarse grained equivalent of the igneous rock andesite?

explosion is by deflagration

The horizontal rock shelf in open pit mining

Used to retard or contain falling, boulders or rocks in open pit mining

The following are ores of copper except

Also known as right lateral strike slip fault

An open or surface working usually for the excavation of slate limestone, etc

Measure of the inclination of a gram or road system in an open pit mine

Blasting method used in narrow veins to minimize delusion

A surface of erosion or non-deposition that separates younger strata from the older rocks

The volume of overburden to the weight of ore in an entire mineable or body

An exhaust ventilation lateral

The following are minerals except for

Volcanic texture showing a fine green crystals or grains

Which of the following is not a sulfide mineral

which of the following is not a carbonate mineral

The process of injecting, grout into crevices of rock usually through a bole drilled into the rock

Example of mechanical accumulation of fragments

Three unequal and mutually perpendicular axis

One fold axis of symmetry, and having the three axis, whose length and angles of intersection are different

The term used in the extraction is performed previously in mind, dumps, tailings, or slag piles

The pressure that gives the explosive it’s shattering action

A mixture of both light colored and dark colored minerals dark colored minerals comprise about 15% to 45% of these rocks

Method which uses high-pressure steam of water, directed against a bank, undercut and cave

Rock that is thrown at an excessive distance from the blast

also known as right lateral strike slip fault

explosion is by the detonation

Term used to refer toward the entrance

Igneous texture showing large crystal grains

It is a Breccia that maintained its coherence during the deformation

Branch of geology, that deals with form arrangement and internal structure of the rock, especially with the description representation and analysis of structure, chiefly on and moderate to small scale

It is directly above the photos

The true source of earthquake

It is the series of mafic to Ultramafic rocks

Introduction of water into a mineral

The amount of energy released by an earthquake

The hardness of a mineral that can be scratched by glass

The identification of minerals and the study of their properties origin and classification

Chemical formula for Calverite

The resistance that a mineral to raking or crushing, bending or tearing or its cohesiveness

It is discordant igneous intrusion having a surface exposure of less than 40 mi.²

These are volcano exhalative type of deposits were in chalcopyrite is dominantly found in silicate rocks.

The raising of the floor of the mind caused by its being too soft the weight on the pillar

In copper sulfide deposits, these are called black ores wherein sphalerite, Galena buried and chalcopyrite are found

The line defining the area in which open pit operation may be conducted to obtain maximum amount of or material and minimum amount of waste material

A small tunnel driven horizontally into the rock at the right angles to the face. It has two or more crosscuts driven from it, parallel to the surface.