Recent content by Qmot

My 2 cents worth is that it is important to remember that the ratio of surface area to volume decreases as mass gets bigger. I.e., a larger nugget has a proportionally smaller surface area than a smaller one. Assuming that (over a long period of time) that soil behaves as a fluid, than the drag...

I'm guessing this question has been asked a hundred times, but which coil? I've been only using the larger (elliptical) one and not had much success, wondering if changing coil would help or whether I really need to change detector and/or field. I've heard a lot of contradictory information...

Out of curiosity would you (or anyone) happen to know what that white mineral is in that pan? Rather common in my area, and curious if anyone has a name for it apart from white black sand (quite the oxymoron), it seems to be even heavier than black sands but always extremely fine. Oh, and a good...

Hello, I'm a newbie Tasmanian prospector who after many a number of hours searching (using GM1000) has found a decent amount of hot rocks, spent bullets and assorted junk . I am still hooked but would not mind some of that shiny stuff. Due to the bush density (especially around Queenstown) I...