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

Celeron Island Project Progress

E.C. Korneffel making great progress on the shoals surrounding Celeron Island near Grosse Ile, MI. Limestone rip-rap from Sylvania Minerals Quarry in South Rockwood, MI is used in constructing the shoals.

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…

Taking the Challenge of a Quarry 5K 2.0

The second annual 5K Walk/Run Quarry Challenge and fossil walk was held at the Sylvania Minerals quarry in South Rockwood Sunday. Click here to read the full story from the Monroe News.

Dust Monitoring at Crooks Road Plant

The Safety Department monitoring dust concentrations throughout the concrete recycling process at the Crooks Road plant.

E.C. Korneffel completes two-year Stony Island Restoration project, begins work on Celeron Island

E.C. Korneffel completed the Stony Island Restoration Project near Grosse Ile on the Detroit River and began work near Celeron Island located just south of Grosse Ile Municipal Airport this summer. To learn more about the project, please visit http://www.detroitriver.org/projects/stony-and-celeron-island-habitat-restoration.html  

Quarry Challenge Date Set for 2018!

This was the 2017 Quarry Challenge 5K Walk-Run held at the Sylvania Minerals Quarry. This fundraiser supports the Friends of the South Rockwood Library for community education and events. Please join us for the 2018 Quarry Challenge Event on September 23, 2018! For more information please visit http://www.quarrychallenge.com  

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Education

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…

Schedule Your Tour Today

Call us at 734-783-7400 to schedule your tour today. Great for classes and organizations. …

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.