METODE JALUR KRITIS (CPM)
Pada metode CPM dikenal adanya jalur kritis.
Jalur kritis merupakan jalur yang memiliki rangkaian
komponen-komponen kegiatan dengan total jumlah
waktu terlama dan menunjukkan kurun
What's in the future of the world's gold mines?
The Obuasi gold mine is digging deeper tunnels and modernizing to stay profitable as the gold
Gold prices have slipped from $1900 per ounce in 2011 to around $1200 per ounce in 2
mining or underground or deep mining.
The choice of mining method largely depends on the geology of the
coal deposit. Underground mining currently accounts for a bigger
share of world coal p
COAL PROCESSING METHODS
The unit processes in coal preparation plants vary, but the following
sequence (siquens) of steps is typical.
Crushing and breaking. Run-of-mine coal must be crushed
(kerasd) to an acceptable top size for treatment in the preparati
Oceana Gold Waihi Operation
1. Mining open pit and underground
To define the ore from the waste rock, samples are taken and assayed
(aasiidd). Assay (aasii) results are used to mark out areas of ore and
waste rock, which are mined separately. Some of the
Exploration is the process of searching for deposits of minerals in the
ground. The information gathered during exploration is used to assess
the size and quality of a mineral deposit and to determine whether
there is the potential for
Coal Production Method in Griffin Coal, Australia
A five step process to deliver a quality product.
At Griffin Coal, coal production takes place through a five step
process to deliver a quality product with a focus on reducing long
term environmental impa
What is coal?
Coal is a fossil (fasel) fuel and is the altered (alterd) remains of
prehistoric vegetation that originally accumulated in swamps and
peat bogs (boogs). The energy we get from coal today comes from
the energy that plants absorbed
The Geographical of Paser
Paser is the regency in east borneo and the capital city of Paser
Regency is Tanah Grogot town. Tanah Grogot is located about
145 km from Balikpapan city and 260 km from Samarinda City.
There are so many people say that Paser is
Geological compass is an instrument which is used to survey
activity and can be used to measure the position of geological
structure. Geological compass is also used to determine the
direction and to measure the angle slope.
There are t
The Impact of Globalization
The Globalization era has started and continues to grow. The
Modernization is the effect of globalization. The globalization has
changed someone life style and affects th e cultures and tradition
The name of glo