EML Assignment 5-Questions with Correct Answers/ Verified
Alluvial deposit - ✔✔A deposit where gems are
eroded from their source rock, then transported away from the source and further
concentrated.
Bulk sampling - ✔✔Large-scale character
sampling
Character sampling - ✔✔Testing for the size,
shape, clarity, and color of the diamonds in a deposit.
Cuttable rough - ✔✔Diamond rough with good
enough size, shape, clarity, and color to produce a polished stone suitable for use
in jewelry
Gravity sorting - ✔✔Separating heavier materials (diamonds) from a test sample
Indicator minerals - ✔✔Minerals formed together with diamonds at great depths and
brought to the surface by the same kimberlites or lamproites.
Industrial rough - ✔✔Diamond rough suitable for use in tools, drills, abrasives, and other
industrial applications.
Marine deposit - ✔✔Secondary diamond deposit carried by rivers or streams to the ocean
floor or shoreline.
Microdiamond testing - ✔✔Screening for the
presence of tiny diamonds in a sample.
, Ore grade - ✔✔Concentration of diamond in a
potentially mineable deposit.
Primary deposit - ✔✔Gems found in the rock that carried them to the surface.
Secondary deposit - ✔✔Gems found away from their primary source.
_____ diamond demand helps motivate the search for new diamond sources. - ✔✔Growing
True or False: It takes a few years and thousands of dollars to develop a diamond mine. -
✔✔False: many years, millions of dollars
What are 2 thing that modern diamond exploration involves? - ✔✔Careful planning and
sophisticated equipment
True or False: For a mine to be successful, the projected value of its diamonds must be more
than the cost of mining them. - ✔✔True
Diamond exploration specialists start by looking
for the _____ parts of the earth's crust. - ✔✔oldest
Most diamonds mined today come from _____. - ✔✔pipes
A mining company must consider a potential mine's _____, _____, and _____ conditions
along with its content. - ✔✔location, climate, political
Diamond deposits found at the ocean's shore are
A. marine deposits.
B. primary deposits.
C. industrial deposits.
Alluvial deposit - ✔✔A deposit where gems are
eroded from their source rock, then transported away from the source and further
concentrated.
Bulk sampling - ✔✔Large-scale character
sampling
Character sampling - ✔✔Testing for the size,
shape, clarity, and color of the diamonds in a deposit.
Cuttable rough - ✔✔Diamond rough with good
enough size, shape, clarity, and color to produce a polished stone suitable for use
in jewelry
Gravity sorting - ✔✔Separating heavier materials (diamonds) from a test sample
Indicator minerals - ✔✔Minerals formed together with diamonds at great depths and
brought to the surface by the same kimberlites or lamproites.
Industrial rough - ✔✔Diamond rough suitable for use in tools, drills, abrasives, and other
industrial applications.
Marine deposit - ✔✔Secondary diamond deposit carried by rivers or streams to the ocean
floor or shoreline.
Microdiamond testing - ✔✔Screening for the
presence of tiny diamonds in a sample.
, Ore grade - ✔✔Concentration of diamond in a
potentially mineable deposit.
Primary deposit - ✔✔Gems found in the rock that carried them to the surface.
Secondary deposit - ✔✔Gems found away from their primary source.
_____ diamond demand helps motivate the search for new diamond sources. - ✔✔Growing
True or False: It takes a few years and thousands of dollars to develop a diamond mine. -
✔✔False: many years, millions of dollars
What are 2 thing that modern diamond exploration involves? - ✔✔Careful planning and
sophisticated equipment
True or False: For a mine to be successful, the projected value of its diamonds must be more
than the cost of mining them. - ✔✔True
Diamond exploration specialists start by looking
for the _____ parts of the earth's crust. - ✔✔oldest
Most diamonds mined today come from _____. - ✔✔pipes
A mining company must consider a potential mine's _____, _____, and _____ conditions
along with its content. - ✔✔location, climate, political
Diamond deposits found at the ocean's shore are
A. marine deposits.
B. primary deposits.
C. industrial deposits.
