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United States
Mill Creek Mine

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 Location:
1.5 km N from Mill Creek, Oklahoma, United States

  Regional Office:
24275 Katy Freeway, Suite 600
Katy
Oklahoma, United States
77494
Phone  ...  Subscription required
Fax(301)-682-0691
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Silica
Mining Method
  • Hydraulic mining
Production Start...


Owners

Source: p. 1-2
CompanyInterestOwnership
USS Holdings, Inc. 100 % Indirect
U. S. Silica Company (operator) 100 % Direct

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Sandstone hosted


Summary:

The deposit has a minimum silica (SiO2) content of 99%. The controlling attributes are iron (Fe2O3) content, calcium (CaO) content and grain size distribution. The sand/overburden contact is occasionally concentrated in calcium and any sand with greater than 0.03% CaO is removed during the overburden removal process. Sand with iron greater than 0.03% Fe2O3 is not mined.

The reserves are part of the Oil Creek Formation in south-central Oklahoma.


Mining Methods

  • Hydraulic mining


Summary:

Company surface mines in Mill Creek use natural gas and electricity to produce whole grain, ground and fine ground silica through hydraulic mining.


Crushing and Grinding


Processing


Summary:

Company acquired the Mill Creek facility in 1987 by merger with the Pennsylvania Glass Sand Corporation, which had historically used the property to produce whole grain silica for customers in industrial and specialty products end markets. Since acquiring the facility, we renovated and upgraded its production capabilities to enable it to produce multiple products through various processing methods, including hydraulic sizing, fluid bed drying, grinding and air sizing. These production techniques allow the Mill Creek facility to meet a wide variety of focused specifications on product composition from customers. As such, the Mill Creek facility services multiple end markets, such as glass, foundry, fillers and extenders, building products and oil and gas proppants. The total net book value of the Mill Creek facility’s real property and fixed assets as of December 31, 2020 was $17.6 million.

Recoveries & Grades:

CommodityParameter202020192018
Silica Recovery Rate, %  ......  Subscription required  ......  Subscription required61

Production:

CommodityUnits2020201920182017
Silica k tons  ......  Subscription required  ......  Subscription required2,4372,084
Subscription required - Subscription is required.


Reserves at December 31, 2020:

CategoryTonnage Commodity
Proven 16,453 k tons Silica

Financials:

Units2020
Book Value M USD  ......  Subscription required



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 24, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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