Results: 41 - 50 of 62
Feb 28, 1993
Open File Report
… up to 99 parts per billion gold and 0.8 parts per million …
Nov 30, 2008
Open File Report
… with discussion on kimberlite, gold and metamorphic/magmatic …
Jun 29, 1994
Open File Report
… kimberlite and lamproite, gold placers, and other minerals, …
Apr 19, 2022
… and, to a lesser extent, placer gold and ammolite. Small-scale … copper, lead, and zinc, fly ash, gold (placer), marl and tufa, peat … our history. For example, placer gold extraction from alluvial …
Jul 14, 2020
… to minor amounts of placer gold. Two other metallic producers, … a small extent before 1930. The Gold Dollar (B58) and Red Mountain … metal occurrences are placer gold in Recent or Pleistocene river …
Jul 14, 2020
Jul 14, 2020
Sep 23, 2021
… for Alberta: Work on placer gold deposits led to the first report on placer gold as the province looked for …