Question: Which mine opened first, Lupin Mine or Discovery Mine? 

Context paragraphs:
Discovery Mine: The Discovery Mine was a gold mine 81 kilometers northeast (approx bearing of 15 degrees) of Yellowknife, Northwest Territories that operated between 1950 and 1969.  Gold was discovered here by Alfred Giauque in 1944.  A complete townsite, on Giauque Lake, was established by the company to house workers and their families.  The mine produced one million troy ounces (31,000 kg) of gold from one million tons of ore.  The abandoned townsite, not accessible by road, was demolished in 2005.

List of Lupin the Third Part I episodes: Lupin the Third Part I (ルパン三世 , Rupan Sansei ) is the first TV anime adaptation of Monkey Punch's manga series of the same name.  Produced by Yomiuri Telecasting Corporation and Tokyo Movie, with character designs by Yasuo Ōtsuka, it was directed originally by Masaaki Ōsumi and later by Hayao Miyazaki and Isao Takahata under the name "A Productions".  It aired on Yomiuri Telecasting Corporation in two seasons from October 24, 1971 to March 26, 1972, the first 11 episodes being of the first season and the latter 12 of the second.  The series centers on the adventures of Arsène Lupin III, the grandson of Arsène Lupin, the gentleman thief of Maurice Leblanc's series of novels.  He is joined by Daisuke Jigen, Lupin's closest ally; Fujiko Mine, the "femme fatale" and Lupin's love interest who works against Lupin more often than with him; and Goemon Ishikawa XIII, a master swordsman and a descendant of Ishikawa Goemon, the legendary Japanese bandit.  Lupin is often chased by Inspector Zenigata of the Tokyo Metropolitan Police, a descendant of Zenigata Heiji.  A rather cynical detective, Zenigata has made it his life's mission to chase Lupin across the globe in hopes of arresting him.

Copperfields Mine: Copperfields Mine, originally known as Temagami Mine, is an abandoned copper and silver mine on Temagami Island in Lake Temagami, Ontario, Canada.  The mine opened in 1955 and comprises both underground and surface workings within a sulfide ore body.  Situated in Phyllis Township, the mine produced 34,000,000 dollars Canadian with 80 million pounds of copper, 230,028 ounces of silver and 13,271 ounces of gold.  It was considered to be the largest deposit of nearly pure chalcopyrite ever discovered in Canada.  A mill was not initially needed because the ore was 28% copper.  The mine closed in 1972 and is now flooded by water.  Ruins of the Copperfields mill are present as foundations.  It is possible to find mineral specimens in the spoil heaps of the old mine, such as chalcopyrite, pyrite, bornite, malachite, dolomite, hessite, merenskyite, millerite, palladium, quartz and others.  The Lake Temagami Access Road was created to ship ore from the mine site.

Lupin the Third: The Woman Called Fujiko Mine: Lupin the Third: The Woman Called Fujiko Mine (LUPIN the Third -峰不二子という女- , Rupan za Saado Mine Fujiko to Iu Onna ) is the fourth incarnation of TMS Entertainment's long-running anime television adaptation of the "Lupin III" manga series written by Monkey Punch.  Directed by Sayo Yamamoto, it aired on NTV from April 4, 2012 to June 27, 2012.  It focuses on the franchise's heroine, Fujiko Mine, as she undergoes various missions and encounters the rest of the "Lupin III" cast for the first time.  Unlike the franchise's previous three televised anime, "The Woman Called Fujiko Mine" is more sexually oriented in order to capture the "sensuality" present in the original manga as well as darker and more serious.  It is also the only installment in the franchise to be directed by a woman and the first in which Lupin is not the protagonist.

Gahcho Kue Diamond Mine Project: The Gahcho Kué Diamond Mine is located on the Canadian tundra in the Northwest Territories.  It is situated at Kennady Lake ( ), in the Akaitcho Treaty 8 Territory AK claim block, which is 85 km southeast of the Snap Lake Diamond Mine and approximately 280 km east northeast of Yellowknife.  The site is served by Gahcho Kue Aerodrome, which has both an ice runway in winter and a year-round gravel runway, and a spur of the Tibbitt to Contwoyto Winter Road from Lupin Mine.  the main camp is at , north of the ice strip, with a smaller site at , south of the runway.

Penhalonga: Penhalonga is mining village in the province of Manicaland, Zimbabwe located 18 km north of Mutare in a valley where the Sambi and Imbeza Rivers meet the Mutare River.  According to the 1982 Population Census, the village had a population of 4,477.  Ancient gold workings have been found in the area.  In 1895 the Penhalonga Mine opened and the village grew around the gold mine.  The name is derived from the Portuguese words "penha" meaning 'rocky mountain' and "longa" meaning "long".  While the old Penhalonga mine closed in 1943, a new mine, the Rezende Mine, opened in 1999.  Bauxite clay, which is also mined in the area, supplies most of Zimbabwe's pottery industry.  The village is the residential and commercial centre for the mine and the surrounding area of forestry, dairy and mixed farming.

Cabin Branch Pyrite Mine Historic District: Cabin Branch Pyrite Mine Historic District is a national historic district located at Prince William Forest Park, Triangle, Prince William County, Virginia.  It encompasses 4 contributing sites and 42 contributing structures associated with the Cabin Branch pyrite mine.  The pyrite mine opened in 1889, and remained in operation until 1919 or 1920.  The property includes a number of capped mine shafts, and the remains of a commissary building and an old mill; and mine structures, including crusher house, mill, mechanical and support buildings, numerous rail lines.

Anina Mine: Anina Coal Mine is an underground mine that is now closed.  It was one of the largest mines in Romania.  It is located in South-Western Romania, in Anina, Caraş-Severin County in the historical Banat region.  The mine still has large reserves of anthracite, lignite, brown coal and oil shale amounting to over 1.3 billion tonnes.  It was owned by Miniera Banat a state owned company that specialised in the management of coal mines in the Banat region.  The mine opened in 1790 making it the longest running mine in Romania until its closure in 2006.  Its galleries are hundreds of kilometers in length and reach a depth of 1200 m making it the deepest mine in Romania and one of the deepest in Europe.  The mine supplied oil shale to the nearby Crivina Power Station, a 990 MW thermal power station, the first oil shale power station in Romania, that had to be supplied with around 4 million tonnes of oil shale per year.

Lupin Airport: Lupin Airport (IATA: YWO, ICAO: CYWO) was an airport located at Lupin Mine, Nunavut, Canada that was operated by Echo Bay Mines Limited.  The airport closed sometime after the mine closed in 2005, but the runway is still present on the property.

Lupin Mine: Lupin Mine was a gold mine in Nunavut Territory, Canada.  It opened in 1982 and was originally owned and operated by Echo Bay Mines Limited, who in 2003 became a fully owned subsidiary of Kinross Gold Corporation.

Supporting paragraphs: Discovery Mine Lupin Mine
Answer: Discovery Mine