Meråker Geology

The Meråker property is aligned in such a way as to cover two separate mineralized trends: one within the Kjølhaug Group and a second within the Fondsjø Group. As such, the majority of property is underlain by the two groups, along with the intervening Sulåmo Group.

The overall dip of stratigraphy is towards the west-northwest; thus the eastern and southern portions of the property are structurally lowest, and are underlain by sandstone, slate, conglomerate and greywacke of the Kjølhaug Group. Sedimentary layering is visible and generally banded on a cm to dm scale, with alternating greywacke and schist bands common throughout the area. Carbonate cement is present but rare in the greywacke units. Extensive gabbro sills are also present, generally with a strike parallel to host stratigraphy. The contact of this unit with the structurally overlying Sulåmo Group is interpreted to be tectonic. The Gilså, Lillefjell, and Anna-Ebba-Duddu showings are located within this horizon, at roughly the same stratigraphic level ~ 1 km east of the contact with the overlying Sulåmo Group.

The southwestern and central parts of the property are underlain by the Sulåmo Group, dominated by slate, sandstone, mica schist and conglomerate with minor basalt. Recorded mineralization is much sparser within this group, with only a handful of historical showings. The only significant results from modern sampling within this group are from showings in a basaltic horizon near the contact with the Kjølhaug Group. This horizon has been termed the Turifoss Greenstone by previous workers, and can be traced for 20 km of strike length (8 km of which lie within the property) with a thickness of ~1 km. It is this unit which is in tectonic contact with the Kjølhaug Group. The western edge of the Sulåmo Group is defined by a 10 m thick conglomerate unit, interpreted be a basal conglomerate and taken as evidence for the overturned nature of the stratigraphy in the area.

The northwestern portion of the property is underlain by the Fondsjø Group, composed of basalt, co-magmatic dykes and gabbro (simply termed “greenstone” in much of the historic mapping) intruded by tonalitic rocks. Structurally overlying this sequence is a series of felsic volcanic rocks, which are in turn overlain by tuffaceous sediments with interlayered pillow basalt and felsic pyroclastic rocks. A string of historic showings is present at the same stratigraphic level as the felsic volcanic rocks, with the most significant being Mannfjell and Fonnfjell.

Significant Showings

Lillefjell

The Lillefjell showing is the most historically significant on the property, with historical records indicating that mining was active for nearly 200 years (1750 – 1920) and that ~120,000 tonnes of copper-rich ore was extracted from an underground operation. It is likely that this copper-rich ore was accompanied by significant zinc, though that commodity was of little economic interest at the time and was likely either left in place or discarded as waste during mining operations. The showing is above tree-line, and numerous footings from historic mine buildings still remain onsite. One sample recorded by the NGU from this site returned 9.9% Cu, 4.6% Zn, 1.5% Pb, 34 g/t Ag and 2.5 g/t Au. The gold value associated with this sample is especially interesting, as it is unusually high for a massive sulphide deposit of this type. A second sample from this site returned lower (but still anomalous) metal values of 1.8 % Cu, 2.6% Zn, 550 ppm Pb, 6.5 ppm Ag and 0.03 ppm Au.

NGU    Sample #	Sample Type	Cu     ppm	Zn         pm	Pb     ppm	Co ppm	Ni ppm	Ag ppm	Au ppb
HK90-038	Bedrock	37244	8412	573	56	14	12.8	20
HK90-040	Bedrock	13499	42100	887	111	8	9.8	217
HK90-041	Bedrock	80081	33572	1520	355	8	29	193
HK90-042	Bedrock	12936	44459	732	153	14	5.8	101
HK90-043	Bedrock	52445	46429	1072	165	8	20.2	233
HK90-044	Bedrock	99043	12341	505	75	12	34.4	2542
HK90-046S	Bedrock	36137	23698	733	158	12	13.6	120
HK90-048	Bedrock	44169	19478	487	71	19	15	134

 

Mannfjell

The Mannfjell showing is the source of the largest recorded production from the Fondsjø Group, with ~100,000 tonnes reported as being extracted. Dates of mining are not recorded, but likely pre-date the 20^th century and certainly pre-date modern mining methods. The NGU database contains four rock samples from this area, with assays values ranging from 0.3% Cu, 0.5% Zn, 20 ppm Ag and 0.24 ppm Au to as much as 6.6% Cu, >10% Zn, 157 g/t Ag and 3.75 g/t Au. As with the Lillefjell showing, these gold and zinc values are significant as historic production would have been focussed exclusively on copper.

NGU Sample #	Sample Type	Cu     ppm	Zn         pm	Pb     ppm	Co ppm	Ni ppm	Ag ppm	Au ppb
TG93.008	Bedrock	3164	10930	88	7	5	157.2	3745
TG93.058	Dump	6610	99999	1227	26	5	18.5	380
TG93.059	Dump	6479	19218	842	16	3	11.7	292
TG93.060	Dump	15182	99999	116	14	3	14.6	215
TG93.061	Dump	17408	24009	65	13	4	20.3	323
TG93.063	Dump	33425	16024	300	2	4	66.3	1083
TG93.064	Dump	16468	97892	76	38	3	35.4	714
TR-1-3	Dump	3619	82819	425	20	17	26.8	2657
TR-1-4	Dump	10156	83273	1674	12	8	25.8	482
TR-1-5	Dump	15689	1742	47	11	10	10.6	133

 

Fonnfjell

Sampling from the Fonnfjell showing, together with the nearby Løvlibekk and Øytrø showings outline a mineralized area with a footprint of ~ 1000 m x 500 m within the Fondsjø Group. The best sample taken from the area recorded by the NGU is from the Øytrø showing, with >10% Zn, 1.7% Cu, 3.9% Cu, 117 g/t Ag and 2.1 g/t Au. The Fonnfjell showing was historically mined via shallow adit, with a sphalerite-rich waste dump in front of the adit entrance. It is unknown if there was historic exploitation of the other two showings.

NGU Sample #	Sample Type	Cu     ppm	Zn         pm	Pb     ppm	Co ppm	Ni ppm	Ag ppm	Au ppb
TG93.036	Bedrock	9826	99999	3695	13	3	89.5	1868
TG93.040	Bedrock	17437	96579	25	15	7	27.2	203
TG93.041	Bedrock	3441	99999	593	6	2	37.6	1901
TG93.042	Bedrock	10489	99999	3057	16	2	59.1	954
TG93.043	Bedrock	15319	94564	3237	11	1	117	2135
TR-7-29	Bedrock	11719	89532	3943	11	5	98	1591
TR-7-30	Bedrock	497	37521	2253	15	33	18.5	503
TR-7-31	Bedrock	317	64610	309	6	9	40.3	1321

 

Anna-Ebba-Duddu

This series of showings occurs along the contact with a large gabbro sill in the Kjølhaug Group. Sampling from the NGU database shows Cu and Zn values in excess of several percent over a strike length of 1.8 km; the single best sample is from the Duddu showing, with 5% Cu, 9.7% Zn, 0.27% Pb, 41 g/t Ag and 0.6 g/t Au note that this trend aligns with what they interpret to be a buried conductor detected by the NGU airborne geophysics and recommend that additional work be conducted on this target.

NGU Sample #	Showing	Sample Type	Cu     ppm	Zn         pm	Pb     ppm	Co ppm	Ni ppm	Ag ppm	Au ppb
HK90-059	Anna	Bedrock	19691	66907	1428	104	19	13	114
HK90-060	Anna	Bedrock	9141	68829	1644	87	16	11.3	57
HK90-061S	Anna	Bedrock	37217	49577	653	82	22	12.8	55
HK90-062	Anna	Bedrock	44162	4754	23	36	17	6.1	80
HK90-063	Anna	Bedrock	31020	3299	5	61	35	4.8	452
HK90-052	Dubba	Bedrock	4987	97516	2710	108	31	16.1	65
HK90-053	Dubba	Bedrock	28382	59230	1202	244	30	27.3	615
HK90-054	Dubba	Bedrock	16776	82295	1939	203	27	17.7	177
HK90-055	Dubba	Bedrock	50217	22191	680	167	79	41.5	468
HK90-058S	Dubba	Bedrock	31954	51632	1117	168	40	25	338
HK90-065	Ebba	Bedrock	94298	3850	16	305	21	13.3	17
HK90-068S	Ebba	Bedrock	54437	2720	2	318	21	7.7	28

 

Reference: 2019 Technical Report on the Meråker Project by David Swanton, M.Sc., P.Geo. dated Feb 27, 2019