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essay代寫-EOSC118-Assignment 1
時間:2021-06-23
EOSC118 Mapping Assignment 1 Spring 2019
Student Name: Liz Henry
Student Number: 0987654321
Topic: Preapproved by instructor, Interesting Recent Gem Events
Diamond, Location 1: New York City, New York, USA
Emerald, Location 2: Florida Keys, Florida, USA
Ruby, Location 3: Appalachian Mountains, North Carolina, USA
Sapphire, Location 4: Ratnapura, Sri Lanka
Map:







EOSC118 Mapping Assignment 1 Spring 2019
1) Diamonds Description. (146 words)
The 1987 US Open tennis competition took place in New York City. Famous tennis stars
gathered to compete. While sporting events are not the typical place to find diamonds, one of the
players was wearing her favorite bracelet while competing. Chris Evert was wearing a diamond
bracelet, with closely spaced diamonds all around her wrist in a nice line (GIA, 4 C's Blog).
During the match, she called to pause mid-game. Her reason? Her bracelet had fallen off, and she
had to find it before continuing. She famously stated that it was her "tennis bracelet". The event
was extremely popular, and the interview she did regarding the pause in the match was widely
publicized. Ever since then, the term stuck, and tennis bracelets soared in popularity. Most tennis
bracelets are still with all diamonds, but some are set with other durable gems like sapphires and
rubies (GIA, 4 C's Blog).
2) Emerald Description. (187 words)
In 1622, the Nuestra Se?ora de Atocha armed galleon was bound for Spain, taking riches from
Colombia, with more treasure from Peru and along South America. Among these riches were
enormous and beautiful emeralds, gold, and silver (Pruitt, 2015). Alas, this ship would never
make it to Spain. It was wrecked in the Florida Keys by a hurricane on September 5th, 1622.
Almost all of the crew were killed, except for two sailors and three slaves (Horton, 2017). The
wreckage was lost to the seafloor, along with other ships on that journey, for centuries. However,
in 1969, a treasure hunter named Mel Fisher decided to look for the Atocha (Pruitt, 2015). In
July 1985, Fisher and his family found the wreck of the Atocha. It is valued at over $400million,
USD, and includes what is known as the Marcial de Gomar emerald collection. In April, 2017,
some of the treasure was put up for auction, including the La Gloria, an 887ct Colombian
emerald from the Muzo mine, a pair of large cat's eye emeralds, and the Marcial de Gomar Star
which is the largest of the 11 emeralds found (DeMarco, 2017).
3) Ruby Description. (138 words)
Wayne Messer was a fishing guide in North Carolina who spent his free time looking for rocks
and gems in the Appalachian Mountains. In 1990, he found a stream bed with corundum, and he
started digging to see if he'd find more. He sure did find more; he found four enormous star
rubies, with the star visible even before being cut. They total 342cts after being cut into
EOSC118 Mapping Assignment 1 Spring 2019
cabochons (D'estries, 2018). These are now called the Mountain Ruby Collection, and were
auctioned together at Guernsey’s for Messer's family after his death. The Mountain Ruby
Collection are some of the largest star rubies known to exist, and are spectacular for not just
North Carolina, but also North America, which is less known for corundum than other parts of
the world. Their value together has been appraised at over $100 million USD (D'estries, 2018).
4) Sapphire Description. (128 words)
The Star of Adam was discovered in Sri Lanka, in the town of Ratnapura. Sri Lanka has been
known as The City of Gems for nearly 2000 years (Jamasmie, 2016). The city is specifically
famous for the sapphires it mines, but this star sapphire is special. The Star of Adam is the
world's largest known star sapphire, at 1404.49ct after being cut into a cabochon. The
anonymous owner of the gem gave it the name for the Muslim tale that Adam went to Sri Lanka
after leaving Eden (Sivaramakrishnan, 2016). The owner also stated that the stone is too large to
fit into jewelry. It is destined to be on display as an exhibition piece only. The stone is valued at
over $100 million USD, although is not up for auction currently (Jamasmie, 2016).
Resource List.
DeMarco, Anthony. "Celebrated Marcial de Gomar emerald collection to be sold at auction
today." Forbes, 24 April 2017,
http://www.forbes.com/sites/anthonydemarco/2017/04/24/celebrated-emeraldcollection-
up-for-auction-tomorrow/#589b2921d2a9
D'estries, Michael. "Extremely rare 'star rubies' found by fishing guide could fetch millions."
MNN.com, 11 April 2018, http://www.mnn.com/earth-
matters/wildernessresources/blogs/extremely-rare-star-rubies-found-fishing-guide-could-
fetch-millions
EOSC118 – Earth’s Treasures: Gold and Gems, University of British Columbia, Department of
Earth, Ocean, and Atmospheric Sciences.
Gemological Institute of America (GIA), 4 C's Blog, "How the tennis bracelet got its name"
http://4cs.gia.edu/en-us/blog/tennis-bracelet-got-name/ .
EOSC118 Mapping Assignment 1 Spring 2019
Horton, Helena. "Rare emeralds found on 400-year-old shipwreck expected to fetch millions at
auction." The Telegraph, 16 March 2017,
http://www.telegraph.co.uk/news/2017/03/16/rare-emeralds-found-400-year-
oldshipwreck-expected-fetch-millions/ .
Jamasmie, Cecilia. "This is the recently found largest blue star sapphire ever, and it's worth
$100M." Mining.com, 7 January 2016, http://www.mining.com/this-is-therecently-found-
largest-blue-star-sapphire-ever-and-its-worth-100m/ .
Pruitt, Sarah. "Treasures from Spanish galleon sunk in 1622 set for auction." History, 8 July
2015, http://www.history.com/news/treasures-from-spanish-galleon-sunk-in-1652-set-
for-auction .
Sivaramakrishnan, P. "World's largest blue star sapphire 'found in Sri Lanka'." BBC News, 4
January 2016, http://www.bbc.com/news/world-asia-35226276













EOSC118 Mapping Assignment 1 Spring 2019
Criteria Excellent (2/2) Acceptable (1/2) Poor (0/2)
Accuracy of
Location
Labels/Number of
Locations (2
points)
All four location labels are in
the correct place for the
chosen localities. Four
different locations are
chosen.
One or more of the location
labels are not in the correct
place, or are absent, or
overlap with another
location.
Two or more location labels
are not in the correct place,
or are absent, or all
locations are the same.
Length of
Descriptions (2
points)
All four descriptions meet the
length criteria of 50-200
words
Two or three of the
descriptions meet the length
criteria of 50-200 words.
Zero or one of the
descriptions meet the length
criteria of 50 – 200 words
Relevance of
Descriptions (2
points per
description, 8
points total)
All of the content in the
description is accurate and
contributes to the
understanding of the chosen
topic.
Most of the content in the
description is accurate and
contributes to the
understanding of the chosen
topic.
The content in the
description is not accurate
or does not contribute to the
understanding of the chosen
topic.
Writing Clarity (2
points)
Descriptions are well written
and easy to understand
grammatically.
Descriptions can be
understood but have
partially flawed grammar.
Grammatical errors cause
severe difficulty in
understanding the
descriptions.
Resources (2
points)
Uses at least four different
reliable resources (at least
one per item mapped).
Uses less than four different
reliable resources, or up to
half of the resources used
are unreliable.
Does not use resources, or
more than half of the
resources are unreliable, or
come from the same source.
Citation Style (2
points)
All resources (including
course content) are cited
using in-text citations and
with a proper and consistent
citation style (APA or MLA).
Either in-text citations or a
reference list is missing, OR
some resources are not
cited, OR a proper and
consistent citation style is
not used.
Resources are not cited.
Total: 18 points.
Any plagiarism will immediately result in a zero on this assignment. Please make sure to properly cite your
resources, and paraphrase appropriately. If you are confused on how to do this, email teaching assistants Rhiana
Henry and Tiera Naber, who will gladly assist you.
We highly recommend discussing the mapping assignment on the Canvas discussion board while you are doing
the assignment, and when you have completed it. Let everyone know what you learned!


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