Shares of James Bay Minerals (ASX:JBY) surged as much as 19.4% to A$0.430, setting it on course for its best day since September 14, if the gains persist.

The company which is a lithium miner, said an extensive pegmatite outcrop, baptized ‘Avro’, was unearthed at the Aero Property.

This property is part of the company’s La Grande Project portfolio located in James Bay, Quebec, Canada.

The company further reveals that the Avro pegmatite showcases fractionation indicators and accessory minerals that are often connected with rare metal pegmatites.

Following this discovery, the company’s stock reached its highest level since September 19.

The stock of James Bay has added 43.3% since its first trade on September 12.

James Bay Minerals is a lithium mining company with active projects in Canada.