Past year: ▼ 36%(2.85 – 5.04 USD)
Each one in plain English, with the numbers worked through for a shareholder.
14 Feb 2025resource reserve update▲ GoodMajor
Filed NI 43-101 and S-K 1300 technical reports formalizing the Bornite Preliminary Economic Assessment previously announced, advancing the copper-focused Bornite project (held via Ambler Metals) toward a more defined development case, independent of any South32 review.
11 Feb 2022resource reserve update● Neutral
Filed the formal NI 43-101 technical report supporting the January 2022 Bornite resource expansion.
20 Jan 2022resource reserve update▲ GoodMajor
Ambler Metals released a significantly larger Bornite resource estimate: 41.7Mt indicated at 1.04% copper (955M lbs) plus 93.9Mt inferred at 0.98% copper (2.0 billion lbs), and a further high-grade 50.3Mt inferred zone (South Reef/Ruby Zone) at 2.97% copper (3.3 billion lbs) below the main pit - a major expansion of the deposit's known scale.
5 Oct 2020resource reserve update▲ Good
Announced the voluntary filing of the Arctic Feasibility Study with US and Canadian regulators, confirming the project (now under the Trilogy/South32 Ambler Metals joint venture) had advanced to feasibility-level engineering.
2 Oct 2020resource reserve update▲ GoodMajor
Ambler Metals filed a full NI 43-101 Feasibility Study technical report for the Arctic copper-zinc-lead-silver-gold project, the most advanced level of technical/economic study yet completed on the deposit.
20 Dec 2019farm in farm out agreement▲ GoodMajor
South32 exercised its 2017 option to form the 50/50 joint venture over the Upper Kobuk Mineral Projects, agreeing to pay Trilogy roughly $145 million in exchange for contributing all of Trilogy's UKMP assets - the largest capital commitment in the project's history, expected to close in February 2020.
28 Oct 2019drilling result▲ Good
Reported the final assay results from the 2019 Bornite drill campaign: several holes returned strong copper intercepts (including 78.9m at 2.35% copper), confirming and extending known mineralization from prior step-out drilling.
20 July 2018resource reserve update● Neutral
Filed a new NI 43-101 technical report on the Bornite Project reflecting continued exploration and resource work.
12 Apr 2018resource reserve update● Neutral
Filed consultant consent letters and related exhibits authorizing use of the Arctic pre-feasibility study technical report in the company's SEC registration statements.
9 Apr 2018resource reserve update▲ GoodMajor
Filed the NI 43-101 technical report for the Arctic Pre-Feasibility Study, confirming the technical and economic viability of a conventional 10,000 tonne-per-day open-pit copper-zinc-lead-silver-gold mine and mill at Arctic, with no material changes from the results announced in February 2018.
15 Nov 2017resource reserve update● Neutral
Filed an amended NI 43-101 technical report on the Bornite Project, formalizing the resource disclosure previously furnished for that deposit.
9 Nov 2017resource reserve update● Neutral
Filed the formal NI 43-101 technical report backing the April 2017 Arctic resource update, the standard disclosure required to support the mineral resource figures already announced.
5 June 2017resource reserve update▲ Good
Engaged Ausenco, Amec Foster Wheeler and SRK Consulting to carry out the Arctic pre-feasibility study's engineering, mine-planning, and tailings/water-management work, targeting completion in Q1 2018.
26 Apr 2017resource reserve update▲ GoodMajor
In-fill drilling drove a 50% increase in Indicated resource tonnes at the high-grade Arctic deposit (36.0Mt at 3.07% copper, 4.23% zinc, plus gold/silver/lead credits - about 2.4 billion lbs contained copper and 3.4 billion lbs contained zinc), with over 40% more contained metal than the prior estimate and a deposit management called insensitive to cutoff-grade or price assumptions.
20 Mar 2017resource reserve update▲ GoodMajor
Approved a $7.1 million 2017 budget to launch a pre-feasibility study on the high-grade Arctic deposit (northwest Alaska), a polymetallic copper-zinc-lead-gold-silver VMS deposit averaging 6% copper equivalent, targeting completion in Q1 2018.
16 May 2016resource reserve update● Neutral
Filed a further NI 43-101 technical report on the Bornite Deposit as part of ongoing resource-disclosure obligations.
1 Apr 2014resource reserve update● Neutral
Filed a new NI 43-101 technical report on the Bornite Deposit, incorporating the recent re-sampling program into an updated resource picture for the project.
19 Feb 2014drilling result▲ GoodMajor
NovaCopper's re-sampling and re-assaying of 33 historical drill holes at the Bornite Project's Ruby Creek zone confirmed previously known high-grade copper mineralization and identified additional lower-grade material not previously sampled, feeding into a planned 2014 resource update.
