Study Questions for Sections 1 & 2
Instructions: Finish answering all the questions before proceeding to the next section. Simply circle the correct response letter in these multiple choice questions.
Section 1
1.01
#1 The main role of diamonds in social history was…
A. their concentrated form of wealth.
B. their outstanding beauty.
C. their refractive properties.
#2 It has been speculated that the first diamonds were found…
A. in India before 800 BC by gold miners.
B. in South Africa before 800 BC by gold miners.
C. in Brazil before 800 AD by silver miners.
#3 Many times gold and diamonds occur together in…
A. South African deposits.
B. kimberlite deposits.
C. alluvial deposits.
#4 Brazilian diamonds were first discovered at the beginning of the…
A. 17th century.
B. 1600s.
C. 18th century.
#5 The first South African diamond was not officially discovered until...
A. 1767.
B. 1776
C. 1867
#6 The first authenticated South African diamond discovered was named…
A. the Cullinan
B. the Eureka
C. the Premier
1.02
#1 Which famous diamond started the international diamond rush in South Africa?
A. The Cullinan
B. The Premiere
C. The Star of South Africa
#2 Who founded the De Beers Mining Co.?
A. Barny Barnato
B. Cecil Rhodes
C. Harry Oppenheimer
1.03
#1 CSO stands for …
A. Central Selling Organization
B. Central Sight Organization
C. Central Syndicate Organization
#2 DTC stands for…
A. Diamond Trade Commission
B. Diamond Trading Company
C. Diamond Trade Corporation
1.04
#1 What was Kimberly famous for?
A. A diamond mining town in South Africa.
B. The Rand gold fields.
C. A diamond mining town in South America.
#2 In 1914 the Colesberg Kopje Kimberly Mine was closed down after producing approximately…
A. Three hundred pounds of diamonds.
B. Three kilos of diamonds.
C. Three tons of diamonds.
#3 Where was the Cullinan diamond discovered?
A. The Wesselton Mine
B. The Orange River.
C. The Premiere Mine.
# 4 The Cullinan diamond was named after…
A. Sir Andrew Cullinan, a mine operator who discovered the diamond.
B. Sir Thomas Cullinan, the prospector who opened the mine.
C. Neither.
#5 The famous Cullinan diamond weighed…
A. 2106 carats
B. 3.1 lbs.
C. 3106 carats
#6 South Africa and South America are the only producers of rough diamonds in the world.
A. True
B. False
Section 2
2.01
#1 Diamond has been discovered on every continent on the planet and new mines are still being uncovered to this day.
A. True
B. False
#2 It has been estimated diamonds form between…
A. 1 to 2 miles below the surface of the earth.
B. 75 to 120 miles below the surface of the earth.
C. 75 to 120 yards below the surface of the earth.
#3 What is a stability field?
A. The conditions necessary so that carbon can crystallize into diamond.
B. The conditions necessary so kimberlite can force diamond to the surface.
C. The conditions necessary so diamonds will not dissolve under tremendous pressure.
#4 Most diamonds are carried to the surface of the Earth in a dark colored igneous rock called…
A. lava rock.
B. kimberlite.
C. carbonized soot.
#5 What is lamproite?
A. Australian for kimberlite.
B. A rock which is never diamond bearing.
C. An igneous rock in Australia similar to kimberlite.
#6 The volcanic activities that deliver diamond to the earth’s surface are at least…
A. 2.5 billion years old and perhaps as little as 50 million years old.
B. 2.5 billion years old.
C. 50 million years old.
#7 It has been scientifically documented that diamond itself is at least…
A. 50 million years old.
B. 2.5 billion years old.
C. 2 billion years old.
#8 All kimberlite discovered is diamond bearing.
A. True
B. False
2.02
#1 The types of diamond deposits are referred to as…
A. primary and secondary.
B. primary and alluvial.
C. primary and marine.
#2 Primary deposits are forced up to the surface in…
A. water.
B. kimberlite.
C. geysers.
#3 Alluvial deposits are caused by the forces of…
A. water.
B. kimberlite.
C. volcanic activity.
2.03
#1 Prospecting is the precursor to…
A. mining.
B. mapping.
C. core samples.
2.04
#1 The least difficult mining is from alluvial deposits.
A. True
B. False
2.05
#1 The grease table was used for…
A. removing excess grease from kimberlite.
B. collecting diamonds, which stick to the grease.
C. collecting diamonds, which slide away from the grease.
#2 A modern version of the grease table is called a…
A. grease box.
B. grease rocker.
C. grease belt.
#3 In 1958 the soviets invented the X-ray separation system which relied on…
A. diamond inclusions fluorescing under X-ray.
B. diamonds being detected inside kimberlite.
C. diamonds fluorescing under X-ray.
After completing these questions: Go to the "Test Answers" and see how you did. Remember this is part of the learning process so if your percentage was disappointing simply re-read the sections that you are having difficulty with.
