734-783-7400
5699 Ready Road

South Rockwood, MI 48179
Sales: 734-783-7474

Great Lakes Aggregates, LLC

Quality Crushed Aggregates

GLA in the Community

Community News

Friends of Mineralogy Visits Sylvania Minerals Quarry

Sylvania Minerals hosts the Friends of Mineralogy group annually. Specimens are collected and photos are taken of the different benches, minerals, and fossils. Below is a letter from Geologist Reggie Rose describing the trip:   Friends of Mineralogy Trip to Sylvania Minerals Quarry is a Success!   A total of 29 Friends of Mineralogy collectors…

Sylvania Minerals Hosts Field Trip for Students

The day began with Bill Begley, Plant Manager and Geologist, and Keith Childress, QC Manger briefing the group on safety topics at the mine. While the group was huddled at the observation area overlooking the quarry, Bill explained the geology, history, and fun facts about the quarry. The day continued with students taking a bus…

E. C. Korneffel Company Partners with Great Lakes Aggregates

Special thanks to the E.C. Korneffel Company for allowing Great Lakes Aggregates to be a part of the Stony Island Habitat Restoration Project. We are proud to be a part of such a worthwhile endeavor improving our community’s wetlands and adding value to our natural resources.

Michigan’s Aggregate Producers Recognized at Annual MAA Awards Night

Michigan’s Aggregate Producers Recognized at Annual MAA Awards Night April 21, 2017 FOR IMMEDIATE RELEASE April 21, 2017 CONTACT: Douglas E. Needham, P.E., MAA President 517-381-1732 or dneedham@miagg.org Michigan’s Aggregate Producers Recognized at Annual MAA Awards Night LANSING, MI – The Michigan Aggregates Association recently honored aggregate producers during their inaugural annual Awards ceremony. On…

Great Lakes Aggregates supports Monroe County First Responders

Great Lakes Aggregates supports Monroe County First Responders and the fight against heroin addiction in our community. Please visit https://www.facebook.com/events/1354991647924199/ for more information and how you can help.      

Hundreds Attend Library’s Opening

From Monroe News January 17, 2017: This past weekend, Great Lakes Aggregates was honored at the grand opening of the South Rockwood Branch Library.  The $1.5 million complex paid for by Sylvania Minerals features a 5,000 square foot library and media center along with a 3,500 square good community room and kitchen.  The signature piece…

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Education

2018 Quarry Challenge – Sylvania Minerals Quarry

Written by Kerry Guiliano, President of the Friends of the South Rockwood Library   The two Caterpillar 775F & G 70-ton machines that held the finish line glistened in the sunshine early Sunday morning as Quarry Challenge runners geared up for their second annual run into the heart of Sylvania Minerals quarry. As 256 runners…

Sylvania Minerals Hosts Quarry Challenge 5K Walk/Run

Jennifer Yerrick, Quarry Challenge participant wrote, “Amazing place, friendly volunteers, extremely well organized, and AWESOME signs for encouragement!! Will be doing it again next year!!” Jim O’Callahan, participant and volunteer said, “Great event, far exceeded expectations! I would definitely do again.” “By far the most unique, most organized and most fun run / walk yet!…

Friends of Mineralogy Visits Sylvania Minerals Quarry

Sylvania Minerals hosts the Friends of Mineralogy group annually. Specimens are collected and photos are taken of the different benches, minerals, and fossils. Below is a letter from Geologist Reggie Rose describing the trip:   Friends of Mineralogy Trip to Sylvania Minerals Quarry is a Success!   A total of 29 Friends of Mineralogy collectors…

Explaining Friends of Mineralogy

FM members do not just go into a quarry to collect nice specimens to take home. Our members like to know what they are collecting and the geologic environment in which it formed. Considering this, every field trip can be a learning experience for our members.

Open House

Community Concerns

Have you heard loud sounds or felt vibrations on your property?  These are two of the most common inquiries that we hear.

Please visit our FAQ page to learn many of our answers.  Also, feel free to contact us by phone with any questions too.