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Ground-based exploration begins at Lake Throssell

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World Fertilizer,

Trigg Mining has commenced ground-based exploration activities at the Lake Throssell sulfate of potash (SOP) project in Western Australia, a week after saying it had commenced mobilisation after receiving approval of the programme of works and required approvals.

The field-based exploration programme at Lake Throssell is the first since its discovery last year.

The initial 24-hole shallow (<12 m) lake rotary drilling programme is designed to target near-surface brine mineralisation to depths suitable for potential trench-based extraction methods and is expected to be completed in approximately two weeks. As part of this programme, areas of observed high-gypsum content are also planned to be tested. These areas have the potential to supply high flow rates due to increased porosity and permeability, as well as elevated SOP content.

Following this programme, a gravity survey will be carried out to extend the lines across the lake and in-fill the results of the survey carried out prior to COVID-19 restrictions. This will further refine the locations of the offlake air core programme scheduled to commence once all approvals are received.

Results from the field work, if successful, will underpin a maiden JORC Mineral Resource for the Lake Throssell SOP project.

Trigg Mining’s Managing Director, Keren Paterson, said: “We’re thrilled to have our teams back out in the field progressing this flexible, helicopter-supported programme that will generate invaluable data to follow-up the high grade auger drilling results reported late last year.

“This is the start of what we anticipate will be a very busy period for the company as we evaluate the Lake Throssell SOP project, which we regard as the jewel in the crown of our SOP portfolio east of Laverton in WA. We are very excited about what the next few months can deliver as we begin to move up the value curve at Lake Throssell.”

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