34 results
6-K
EX-99.1
PLM
Polymet Mining Corp
30 Dec 22
Form 43-101F1 Technical Report
5:25pm
group element
USGS
United States Geological Survey
PGM
Platinum Group Metals
Volt
PLS
Pregnant Leach Solution
VES
Vertical Electrical Soundings
Po … with PLATSOL leach. Head assays for the concentrates are presented in Table 13-12.
The single pass autoclave retention time based on a 33-liter autoclave
6-K
EX-99.1
PLM
Polymet Mining Corp
28 Nov 22
Mesaba Project Form 43-101F1 Technical Report – Mineral Resource Statement
7:02am
cleaner produced additional copper concentrate in two stages and tailings for CESL leach testing. All cleaner stages conducted at elevated pH (11-12 … at several nickel refineries that leach matte to produce nickel and cobalt products. The flowsheet was tested through bench testing, with positive results
40-F
2021 FY
EX-99.1
PLM
Polymet Mining Corp
17 Mar 22
Annual report (Canada)
4:42pm
release), acid-base accounting, and static leach tests on Project materials were used to identify the minerals with potential to release metals
40-F
2020 FY
EX-99.1
PLM
Polymet Mining Corp
18 Mar 21
Annual report (Canada)
4:08pm
materials. The characterization data on mineralogy, petrology, chemistry (including dissolved solids release), acid-base accounting, and static leach
6-K
EX-99.2
PLM
Polymet Mining Corp
15 May 20
Polymet Mining Corp. 6-K
2:56pm
, leach-electrolysis treatment of copper recovery from sulfide ores, and the Sepon Copper Process for copper recovery from sulfidic-clayey ores. Dr
40-F
EX-99.1
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30 Mar 20
Annual report (Canada)
5:02pm
6-K
EX-99.2
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17 May 19
Polymet Mining Corp. 6-K
7:09am
40-F
EX-99.1
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29 Mar 19
Annual report (Canada)
12:00am
6-K
EX-99.2
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18 May 18
Polymet Mining Corp. 6-K
4:47pm
40-F
EX-99.1
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20 Apr 17
Annual report (Canada)
12:00am
6-K
EX-99.2
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30 May 14
Current report (foreign)
12:00am
6-K
EX-99.2
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4 Jun 13
Current report (foreign)
12:00am
6-K
EX-99.1
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5 Apr 13
Current report (foreign)
12:00am
6-K
EX-99.1
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31 Oct 12
Report of Foreign Private Issuer
12:00am
6-K
EX-99.1
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15 Jun 12
Current report (foreign)
12:00am