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Panache Project - Cobalt-Nickel-Copper-Gold-PGM, Sudbury, Canada

Exploration target high order base metal with PGM surface anomalism inferred to be potential feeders to gabbroic intrusions

Rumble Resources Ltd has an option agreement to acquire up to 100% of the Panache Project. The Panache Project (approximately 30km² in area) is located 40km southwest of the city of Sudbury, Ontario, Canada. The project hosts a large portion of the Panache gabbro intrusion which is part of the regional extensive Nipissing Gabbro Suite (2215 million years old). 

                                                                          Image1: Location of Long Lake Project

Overview of Sudbury Mining Camp, Ontario Canada 

Since 1883, the Sudbury mining field has been globally significant with the Sudbury Basin the second-largest supplier of nickel ore in the world, and new discoveries continuing to be made. It is one of the most productive nickel-mining fields in the world with over 1.7 billion tonnes of past production, reserves and resources.

Nickel-copper and platinum group metals (“PGM”) bearing sulphide minerals occur in a 60 km by 27 km elliptical igneous body called the Sudbury Igneous Complex (“SIC”). The current model infers the SIC was formed some 1,844 million years ago after sheet-like flash/impact melting of nickel and copper bearing rocks by a meteorite impact. The SIC is within a basin like structure (Sudbury Basin) which had been covered by later sediments and has subsequently been eroded to the current level.  Mineralization occurs within the SIC as well as in the neighbouring country rocks in close association with breccias and so-called ‘Offset Dykes’. Offset Dykes with metamorphosed (hot) Sudbury breccias have become the target of progressively more intense exploration interest in recent years following the discovery of blind economic deposits. Offset dykes are typically quartz-diorite in composition and extend both radially away from and concentric to the SIC. It is important to note that the Offset Dykes developed downwards from the impact melt sheet. Melt material migrated down into the fractures caused by the impact below the SIC. The melt carried metal sulphides that accumulated into deposits within the Offset Dykes by gravity and pressure gradients (impact rebound). Nearly half of the nickel ore at Sudbury occurs in breccias and Offset Dykes in the footwall rocks of the SIC.

                       Image 2 – The location of the Long Lake Project and the Deposit Types of the Sudbury Basin.

Prospecting operations by the project owner, Gordon Salo, has uncovered a series of prospects associated with disseminated to massive sulphides (pyrrhotite – pentlandite – chalcopyrite - pyrite) along gabbro contact margins. Massive sulphide pipes have also been discovered along fault corridors intercepting gabbro. High grade gold mineralisation (at surface) has been associated with gabbro/metasediment contact zones (tectonic). Refer table 3 for detail on historical rock chip results.

Area A (image 3)

Prospecting activities have exposed a set of massive sulphide pipes in metasediments. The gabbro intrusion appears to be truncated by a regionally extensive southwest trending fault corridor. Rock chip results include up to:

  • 6.01% Cu, 1.47% Ni, 1.6 g/t PGM and 0.49% Co

Area B (image 3)

Trenching with grab sampling has highlighted strong base metal mineralisation with PGM’s along the basal zone to a gabbro intrusion. Wide widths of gossan have been exposed (10m in width). Grab sampling has returned up to:

  • 1.61% Cu, 0.49% Ni, 1.1% Co, 1.64 g/t Au, 1.64 g/t Pt and 1.58 g/t Pd.

Area C (image 3)

Grab sampling and petrography has identified a 2.5km zone of strong base metal and precious metal anomalism associated with an inferred gabbroic feeder. Grab sampling has returned up to:

  • 0.59% Cu, 0.16% Ni, 524.3 g/t Au, 0.45% Co, 0.64 g/t Pt, 1.18 g/t Pd.

The grab sampling results are considered very significant as the average disseminated sulphide percentage for the gabbroic rock chips was approximately 5% indicating the sulphide is well endowed with base and precious metals.

                                            Image 3: Panache Project Regional Geology and Target Area Location 

During 2006, airborne TEM (AeroTEM) was conducted in Area C on 100m line spacing. Numerous conductors correlating with the inferred feeder dyke trend and associated anomalous geochemistry were identified and a IP survey was planned, however, it was not completed. In general, the three zones of interest have not had ground TEM or subsequent drilling.

Rumble Exploration Strategy

Rumble considers the Panache Project very prospective for high grade Ni – Cu deposits

  • All three target areas strong Ni – Cu – PGM geochemistry with supporting petrography
  • Rumble plans to conduct a deep penetrating ground TEM survey over these targets with the aim of generating high order conductors for subsequent diamond drill testing.
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