The O’Neil showing is hosted by bedded Pennsylvanian volcaniclastic and clastic-calcareous sedimentary package of the Stikine Assemblage, intruded or cut by dikes or sills. The showing exhibits skarn-type mineralization, represented by chalcopyrite copper mineralization with elevated gold that is closely associated with garnet-magnetite mineralization.
The outcrop is of strongly altered, iron-oxide stained volcanics, with pyrite and –chalcopyrite in veinlets and disseminations. Angular boulders with pyrite, chalcopyrite and magnetite were present near the outcrop. A sample of an angular boulder, layered with chalcopyrite, pyrite, magnetite and epidote assayed 1.11 grams per tonne gold and 0.39 per cent copper (Assessment Report 30449).
The O’Neil showing was discovered in 2007 by Romios Gold Resources Inc and 5 rock samples were collected.
In 2013 Geotech Ltd. carried out a helicopter-borne electromagnetic (ZTEM) and aeromagnetic geophysical survey for Romios Gold Resources Inc over the Newmont Lake Block, comprising parts of the Newmont Lake property (Geophysics Report, Assessment Report 35016, Appendix VI). The following 21 mineral occurrences were covered by the survey: Ken (104B 027), 72 (Dirk) (104B (114), McLymont (104B 126), Northwest (McLymont), (104B 281), Jazzman (104B 282), Ridge (104B 325), Gab Northwest (104B 333), GAB 12 (104B 335), GAB 11 (104B 336), NEW (104B 379), Telena (104B 428), Bren (104B 429), Arseno (104B 432), Mon 2 (104B 433), Glacier Zone (104B 438), Camp Ridge (104B 441), Kirby NE (104B 442), Black Bear (104B 459), 2Bad (104B 460), Bridget (104B 462), O'Neil (104B 463.
In 2014, Romios Gold Resources Inc. conducted a prospecting and sampling program that included the evaluation of various showings and mineralized occurrences on the Newmont Lake and Trek Properties. A total of 314 rock chip samples and reconnaissance rock samples and 26 stream silt samples were collected.
In 2015, Romios Gold reported that a program of additional prospecting and sampling was carried out on the Burgundy Ridge discovery (Exploration and Mining in British Columbia 2015, page 135)
No work is reported for 2016 or 2017.
In January and February 2018 Geotech Ltd. carried out a helicopter-borne Versatile Domain Electromagnetic (VTEM) and aeromagnetic geophysical survey on behalf of Romios Gold Resources Inc. The survey covered three claim blocks: DIRK, KEN and NORTHWEST comprising parts of the Newmont Lake property and covered a total of 714 line-kilometres (Assessment Report 37492, containing Geotech Ltd. Geophysical Report (Appendix Two)). The KEN survy block covered the following mineral occurrences: Ken (104B 027), Matterhorn (104B 433), Glacier Zone (104B 438), 2Bad (104B 460), Mom's Peak (104B 462), O'Neil (104B 463).
Garnet-magnetite-epidote skarn-type copper-gold-silver mineralization occurs as an arcuate string of showings on the 2018 Ken geophysical survey block: Ken (104B 027), Matterhorn (104B 433), Glacier Zone (104B 438), 2Bad (104B 460), Mom's Peak (104B 462), O'Neil (104B 463). Syenite dikes intersected in drilling at the Ken and Glacier zones are scarce or absent at surface. A potential source pluton for the syenite dikes is indicated by a 1.5 kilometre long aeromagnetic high south of the Ken and 2Bad zones, west of Glacier and O'Neill occurrences, north of Matterhorn and east of Mom's Peak (Figure. 5, Assessment Report 37492). The closest VTEM anomaly is about 2.5 kilometres southeast.
In late 2018, Crystal Lake Mining announced that it had signed a of Letter Agreement with Romios Gold Resources Inc. for an option to acquire a 100 per cent interest in the 436 square kilometre Newmont Lake Project from Romios Gold.
In 2019, Crystal Lake conducted a drill program, on the Burgundy Ridge prospect area (104B 325) and the Northwest deposit. They also conducted extensive grassroots exploration.
See Northwest (104B 281) for details of work after the amalgamation of tenures by Romios Gold Resources Inc in the 2000s, when airborne geophysics was done over significant land areas and some work occurred on specific targets.