The Arlington showing is located on the southeast slope of Arlington Mountain, approximately 13 kilometres north-northeast of Carmi.
The Arlington Mountain area has numerous old workings, pits, and adits which date from the early 1900s. More recent work includes a prospecting program in 1970 by Durocop Mines Ltd.; a magnetometer survey for Hudson's Bay Oil and Gas Ltd. in 1971; and a prospecting and geological mapping program in 1973 for K.F. Brunning. Additional prospecting was carried out in 1987 by James McLeod for Edward Carson & Associates.
The showing occurs near a contact between an unnamed Middle Jurassic quartz diorite intrusion, which has been mapped in the past as Middle Jurassic Nelson Intrusions (Geological Survey of Canada Map 1736A), and a chlorite hornblende schist which may be part of the Carboniferous-Permian Anarchist Group.
The showing has been trenched and a shaft/pit dug. A 1936 description describes the showing as a brecciated zone partly cemented with quartz and calcite and mineralized with chalcopyrite and pyrite, and said to carry values in silver and copper (Geological Survey of Canada Map 539A). The 1987 work suggested that the dominant lithology at this location is granite gneiss. A channel sample in 1973 assayed 0.92 per cent copper and 63 grams per tonne silver over 60 centimetres (Assessment Report 4720). High-grade grab samples in 1987 assayed up to 1.61 per cent copper, 0.08 per cent lead, 0.02 per cent zinc and 85.3 grams per tonne silver (Assessment Report 17030).
The 1971 magnetometer survey identified a magnetic anomaly along the geological contact between a gneissic diorite and a mafic diorite. It was noted that copper mineralization is coincident with this magnetic anomaly.
In 1996, Madman Mining Co. Ltd. completed a prospecting, soil sampling, and a VLF-EM geophysical survey on the property containing the occurrence.
In 2015, Explorex Resources Inc completed magnetic and VLF-EM geophysical surveys, a prospecting and sampling program on the property containing the occurrence. Highlighted results included a grab sample grading 131 grams per tonne silver, 2.56 percent copper, and 0.15 percent lead at the Arlington occurrence (Kemp, R. (2017-07-13): National Instrument 43-101 Technical Report on the Arlington Property).
In 2017, Coast Mountain Geological Ltd. completed an exploration program including soil sampling, rock sampling, and 26.4 line-kilometres of ground magnetic and VLF-EM surveys. Highlighted results included sample 1067951 grading 5.5 grams per tonne silver, and 0.31 percent copper (Kemp, R. (2017-07-13): National Instrument 43-101 Technical Report on the Arlington Property).
In 2018, Clarmin Exploration Inc. completed a prospecting and soil sampling program on the Arlington property (Assessment Report 36956). The property was returned to Explorex Resources Inc. in late 2018.
