marine link image
REGISTER NOW FOR the Port of the Future Conference • 2 Days, 50 Ports • Houston, TX • March 24–25, 2026

Great Lakes Iron Ore, Limestone Trades Rise in August

September 6, 2023

(Photo: Lake Carriers’ Association)
(Photo: Lake Carriers’ Association)

Shipments of iron ore and limestone on the Great Lakes for the month of August both increased compared to 2022, up 8.6% and 4.4% respectively, according to latest figures from the Lake Carriers’ Association (LCA).

The 5.5 million tons or iron ore shipped in August was 3.5% above the month’s five-year average, while limestone cargos were above the month’s five-year average by 3.7%, LCA said. Limestone loadings from U.S. quarries totaled 3.3 million tons, an increase of 5% compared to 2022.  Shipments from Canadian quarries totaled 754,178 tons, an increase of 1.9%.

Year-to-date the iron ore trade totals 31.2 million tons, an increase of 28.9% compared to the same point last year. Through August iron shipments are 6.5%  above their five-year average for eight months of the year.

Year-to-date the Lakes limestone trade stands at 16.2 million tons, a decrease of 7.4% compared to a year ago. Loadings from Michigan and Ohio quarries total 13.1 million tons, a decrease of 5.1%. Shipments from Ontario quarries total 3.1 million tons, a decrease of 15.6%.

Logistics News

Trump Threatens to Escalate Iran War, But Says It Could End Soon

Trump Threatens to Escalate Iran War, But Says It Could End Soon

Trump Weighs Easing Russia Sanctions

Trump Weighs Easing Russia Sanctions

Greek Vessel Laden with Saudi Oil Sails through Hormuz

Greek Vessel Laden with Saudi Oil Sails through Hormuz

1M Barrels of Venezuelan Crude Headed to China

1M Barrels of Venezuelan Crude Headed to China

Subscribe for Maritime Logistics Professional E‑News

Canadian oil tycoon supports South Bow pipeline in order to boost US exports
US airport security queues worsen as screeners face a missed paycheck
Air New Zealand suspends its FY26 forecast due to rising jet fuel prices in the Middle East