Rift Valley Resources has received firm commitments to raise A$5.5 million in two tranches.

The company will place 366.6 million shares at 1.5c each to sophisticated and institutional investors.

Ashanti Capital acted as lead manager.

The proceeds will be used to accelerate work at the Longonjo rare earths project in Angola.

Gold play Vango Mining has agreed terms to raise $5.1 million in a placement lead managed by DJ Carmichael.

The company will place 28.3 million shares at 18c each to sophisticated and professional investors, with every two new shares to come with a free-attaching 27c option, expiring in two years.

The funds will be used to advance the Plutonic Dome gold project.

First Graphene has raised $2 million via a placement at 18c per share to a Sydney-based family office.

The new funding will help the company set up a new UK office at the Graphene Engineering and Innovation Centre.

Niuminco Group has filed an offer document for a non-renounceable pro-rata one-for-six offer of shares at 2c each to raise up to $803,779.

The offer will be partially underwritten to $200,000 by companies associated with directors.

The proceeds will be used to buy plant and equipment for the Edie Creek gold mine in Papua New Guinea, exploration and working capital.

Joint lead managers Bell Potter Securities and Nascent Capital Partners have informed Acacia Coal that they have received binding commitments for a private placement to raise $400,000.

As part of the acquisition of the Mt Windarra and Mt Bruce projects, the company will also seek to raise a further $2 million, subject to shareholder approval.

Finally, Thomson Resources will issue 7.2 million shares to private investors to raise $360,000 to progress the Harry Smith gold project.

The 5c placement price represents a significant premium to the one-month volume-weighted average price of 3.9c per share.