LARGE QUARTZ WASH, is this from the last iceage?
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LARGE QUARTZ WASH, is this from the last iceage?
This type of quartz seems different from the broken up fractured quartz commonly seen on hills, it looks waterworn but it might have been shaped from slow moving glaciers just slowly grinding along for hundreds of miles, some of the stones are like watermelons, quartz being hard seems to be the only rock that has survived, common in the old diggings and in some creeks, whether it has any relationship with gold I don't know but if gold was with this material when it was moving the gold being soft would be wearing down and be very smooth,
When I was in Coffs we saw white quartz wash on top of the hills that thick it looked like hail, this we were told came from South America, if this is true it would have to be when the continents were joined together.
You need a Geologist on board to answer topics like this.
cheers Tezz
When I was in Coffs we saw white quartz wash on top of the hills that thick it looked like hail, this we were told came from South America, if this is true it would have to be when the continents were joined together.
You need a Geologist on board to answer topics like this.
cheers Tezz
tezz- Contributor Plus
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Registration date : 2010-10-27
Re: LARGE QUARTZ WASH, is this from the last iceage?
not sure about where you are... but sometimes you get old river beds on top of hills, thats where alot of the round rocks come from.
sometimes that's why the hill has survived, because the bottom of the river turn to cement and made it harder than the surrounding ground..
got a geoligy course this weekend so i'll see whether these opinions are correct..
cheers
sometimes that's why the hill has survived, because the bottom of the river turn to cement and made it harder than the surrounding ground..
got a geoligy course this weekend so i'll see whether these opinions are correct..
cheers
Guest- Guest
Re: LARGE QUARTZ WASH, is this from the last iceage?
A pic is better than a thousand words! but yes you are correct about some wear patterns being eluvial and not alluvial. A classic example of this is ,in my opinion , the Ballarat nugget ! Not water worn but ground away with eons of material moving over the gold to give the worn appearance !
Guest- Guest
Re: LARGE QUARTZ WASH, is this from the last iceage?
Dunno about south America tezz, my little time scale app shows Antarctica and India in between us. Interestingly nearly the whole of Australia is under the ice cap in this shot, even the pilbara!
DD
DD
Guest- Guest
Re: LARGE QUARTZ WASH, is this from the last iceage?
Diggerdude, interesting picture, tried to move the time bar, is their a link to this so I can get it to work?
cheers Tezz
cheers Tezz
tezz- Contributor Plus
- Number of posts : 227
Age : 75
Registration date : 2010-10-27
Re: LARGE QUARTZ WASH, is this from the last iceage?
Try this Tezz.
http://www.hhmi.org/biointeractive/earthviewer/index.html
http://www.hhmi.org/biointeractive/earthviewer/index.html
Gold Miner- Contributor Plus
- Number of posts : 648
Registration date : 2012-09-28
Re: LARGE QUARTZ WASH, is this from the last iceage?
What a great little program, thanks for posting Diggerdude and thanks for the link Gold Miner
CostasDee- Management
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