Flashcards in Diamond Exploration Deck (13):
What is diamond exploration?
Involves techniques of soil and alluvium samples to determine if a possibility of diamond exists for economic mining.
What do geologist look for?
Indicator minerals such as pyrope garnet and micro diamonds.
What is an indicator mineral?
Minerals that may indicate possible diamond occurrences or secondary deposits.
What are occurrences?
Possible diamond deposits for profitable mining.
How is exploration done?
Satellite, Structural mapping, past exploration, sampling, mapping of indicator minerals.
What is grade?
Number of carats of diamond per hundred tones of ore (deposit rock such as gravel or kimberlite).
What is value?
The worth of deposit
Low grade deposits
Low grade with high value stones make it worth developing.
What is ore?
A mineral deposit such as kimberlite which is economically worth mining to extract the economic mineral such as a diamond.
Depending may be considered as an ore deposit depends upon many economic and other factors vary with time.
What are some indicator minerals?
Chrome diopside, Chrome Spinel, Pyrope Garnet.
What does the term resource mean?
All the diamonds in the crust of the earth with current and future value included know and unknown deposits.