I think they indicated that there are multistacks - see below from today's announcement: "Multiple, potential sandstone gas reservoirs are indicated"
KAI Pilbara Minerals buys land off Kairos part of its York gold project for $20M – and a 2% royalty on any PLS gold sales
MND Albemarle lithium downsize burns $200M hole in Monadelphous's pocket as latter's contracts terminated