The Conversation (0)
Eclipse Metals Ltd (Eclipse or the Company) (ASX: EPM) is pleased to announce that it has delineated a rare earth element (REE) exploration target at Grønnedal within its 100% owned Ivigtût multi-commodity project in SW Greenland. While the rare earth mineralisation at Grønnedal extends over 5 km by 2 km of nepheline syenite, the exploration target currently encompasses an approximately 3 km by 800 m section of ferrocarbonatite intruding the syenite (Targeted Area). This Targeted Area is highlighted in Figure 1 and is derived from a combination of recent exploration, a geophysical assessment and review of public domain data.
HIGHLIGHTS:
- Rare earth mineralisation at Grønnedal extends over 5 km by 2 km, with an exploration target focusing on 3 km by 800 m of ferrocarbonatite defined.
- Extrapolating the outcropping area of ferrocarbonatite to a depth of 50m indicates a potentially significant exploration target of REE mineralisation.
- The grade range for the exploration target comprises a notable proportion of magnet REE (Nd, Pr, Dy, and Tb), which has the potential to be competitive with other REE projects globally.
- A grid-based diamond drilling program is planned, along with detailed geological mapping and petrological studies to better understand REE mineralisation controls.
Data from a 1995 DIGHEM airborne magnetic survey highlights several ovoid shaped responses associated with brecciated ferrocarbonatite bodies (Fig. 2) (refer ASX announcement 9 February 2021). Comparative analysis of the magnetic response with the mapped extent of the ferrocarbonatite suggests a more widespread presence of these formations than previously mapped. Furthermore, 3D inversion interpretation of the magnetic data shows that the carbonatites extend to at least one kilometre below the surface where the two discrete bodies coalesce. In addition, the DIGHEM electromagnetic data revealed seven conductive targets, potentially sulphide mineralisation, recommended for follow up investigation with drilling.
Figure 1. MEL 2007-45 Location Map, showing the geology of the Grønnedal nepheline syenite with ferrocarbonatite plugs (Target Area)
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