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Top 10 largest gold mines in the US in Q1 2021 - report

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(Kitco News) - Kitco ranked the top 10 largest gold mines in the US based on gold production reported for Q1 2021.

Barrick’s Carlin is the largest gold operation in the US and the second largest in the world. Gold production in Q1 2021 of 373 koz was 9% lower compared to the first quarter of 2020, mainly because of lower roaster throughput due to higher carbonaceous content, which in turn also negatively impacted the overall feed grade due to blending.

Another Barrick’s Cortez mine sits second. Gold production in Q1 2021 of 163 koz was 22% lower compared to Q1 2020, driven by lower production across all processing facilities. Oxide mill production was lower due to the processing of slightly lower open pit stockpile grades. Heap leach production was lower due to a combination of a longer leach cycle caused by a higher proportion of alluvium material and a previously disclosed geotechnical event in the Pipeline pit at the end of the third quarter of 2020, which temporarily delayed the placing of tonnes. Additionally, production from the roasters was lower mainly due to a decrease in ore processed from Cortez Hills Underground as well as lower grades, partially offset by an increase in open pit refractory stockpiles processed.

Another Barrick’s Turquoise Ridge mine is third. Gold production in Q1 2021 of 149 koz was 9% higher than in Q1 2020 as a result of higher throughput at the Sage autoclave. Improved mining rates at Turquoise Ridge underground in the first quarter of 2021 were largely offset by a fall of ground at Vista underground, which was remediated during the quarter. Major maintenance of the Sage autoclave is scheduled for the second quarter of 2021.

At Kinross’ Round Mountain gold mine, the fourth largest gold operation in the US, mining activities during the quarter were impacted by precautionary measures taken after wall movements in the north wall of the pit were detected by the site’s comprehensive monitoring system. The site deferred mining in the area, which delayed access to Phase W ore and affected production and cost of sales per ounce during the quarter. As a result, the mine produced 74 koz of gold in Q1 2021, which is 12% less compared to Q1 2020.

SSR Mining’s Marigold mine ranked fifth. The mine delivered gold production of 67,936 ounces for the first quarter, a 16% increase compared to Q1 2020, as the mine moved a record 23.8 million tonnes of material. The record movement was achieved despite a 35 day scheduled maintenance shutdown of the largest shovel.

The complete list is below.

Top 10 largest gold mines in the US in Q1 2021

 

Operation

Major owner / operator

Q1 2021 Au production, koz

Q1 2020 Au production, koz

% change

1

Carlin

Barrick

373

411

-9

2

Cortez

Barrick

163

208

-22

3

Turquoise Ridge

Barrick

149

137

9

4

Round Mountain

Kinross

74

84

-12

5

Marigold

SSR Mining

68

58

16

6

Long Canyon

Barrick

63

42

49

7

Cripple Creek and Victor

Newmont

61

69

-12

8

Fort Knox

Kinross

56

52

8

9

Bald Mountain

Kinross

51

42

22

10

Haile

OceanaGold

44

29

51

Disclaimer: The views expressed in this article are those of the author and may not reflect those of Kitco Metals Inc. The author has made every effort to ensure accuracy of information provided; however, neither Kitco Metals Inc. nor the author can guarantee such accuracy. This article is strictly for informational purposes only. It is not a solicitation to make any exchange in commodities, securities or other financial instruments. Kitco Metals Inc. and the author of this article do not accept culpability for losses and/ or damages arising from the use of this publication.