The Bynoe Project comprises five tenements covering a total area of 88km2 located ~20-50km SSW of Darwin, Northern Territory. The Project area has numerous locational advantages over other spodumene projects including:
Figure 1: Bynoe Project – Location Plan and documented pegmatites
Multiple phases of prospecting, exploration and mining have been undertaken in the Bynoe area since the 1880s, with more than 60 pegmatites documented by the Northern Territory Geological Survey within the project (see Figure 1).
Previous exploration and mining have targeted tin and tantalum mineralisation, either hosted in alluvial deposits or within the strongly weathered, upper 10-20m of the bedrock profile where mining would be free-digging.
The Project area is the largest historical producer of tantalum minerals in Northern Territory. Like the former tantalum mining areas of Greenbushes and Pilgangoora, the area’s lithium potential has largely been ignored until recently.
In July 2016, Liontown intersected a spodumene-bearing pegmatite of attractive grade and thickness at the Sandras’ prospect (see ASX release dated 26th July 2016) and in September 2016, adjacent tenement holder Core Exploration announced the discoveries of similar mineralisation at BP33 and Grants (see Figure 2).
Figure 2: Prospects within the Bynoe Project
The Project lies in the western part of the early Proterozoic Pine Creek Geosyncline, where it comprises a sequence of greenschist metamorphic grade sandstones and siltstones with occasional lenses of conglomerate.
In July 2016, Liontown announced the discovery of a spodumene-bearing pegmatites including the Sandras and BP33 pegmatites. Best results, which included intercepts of 42m @ 1.0% Li2O from 93m and 24m @ 1.1% Li2O from 70m, were returned from the Sandras’ prospect (Figure 3) where a pegmatite up to 40m thick and at least 300m long has been defined from surface with strike extensions obscured by transported cover.
Figure 3: Pegmatite of the Sandras prospect with drilling from Liontown’s 2016 drill program.
In September 2016, Core Exploration Ltd. announced it had intersected lithium mineralisation at BP33, directly along-strike to Liontown’s BP33 pegmatite intercept. This announcement was soon followed by the announcement of high-grade lithium intercepts at the Grant’s prospect, further underlining the district-scale lithium mineralization occurring at Bynoe.
Numerous targets remain to be tested at Bynoe.
These include pegmatites documented by the NTGS and targets defined by geochemical and geophysical surveys completed in the first half of 2017.
Priority targets include:
Figure 4: Bynoe project – EL30015 soil image showing lithium anomalism
Figure 5: Bynoe project - Magnetic image of Sandras prospect area
The Bynoe Project comprises 3 separate, granted exploration licences (EL29699, EL30012 and EL30015) and 2 smaller tenements (MLN16 and EMP28651) which are located within EL30015. The combined tenement package covers a total area of ~88km2 area and is located 20-50km SSW of Darwin in the Northern Territory.
EL30012 and 30015 are subject to an Option Agreement with private company Orema Pty Ltd. Liontown may earn 100% equity in the tenements by:
MLN16, EMP28651 and EL29699 were purchased from other parties and are now wholly owned by Liontown.