Whack of the napkin calculation of gold Ok, let’s low ball the amount of gold.
4km (4,000m) strike length x 500m width x 100m depth = 200,000,000 cubic meters of rock/gravel
1.68 tonnes per meter2 of gravel = 336,000,000 tonnes of gravel
lets lowball that at 1gram per tonne, so 336,000,000 grams of gold
divided by 31 grams per Troy ounce = 10,838,709 ounces of gold.
I just picked those numbers of length, width, and depth and concentration out of my butt and the available info from GBR. I intentionally used a low grade number and low depth number to try and find the possible small end of the scale of this strike. I didn’t add in any of the high grade zone numbers nor did I take the strike very far underground. I did kinda extrapolate the strike area to include everything in and around where the struck gold.
You can can play with those numbers how you like and most ways only make it larger. If you imagine the strike is only 100m wide, divide by five. That’s still 2,000,000 ounces.
if you imagine it’s 200m deep, multiply by two. 20,000,000.
Im not saying my numbers are correct. I am merely trying to give myself a grasp of what could possibly contained in the strike. YMMV