Is this decalcified limestone?

[Rific]

Is this decalcified limestone? Doesn't seem like normal limestone...I'm trying to make a connection with what a carlin type of mineralization looks like. Does anyone have pictures of decalcified limestone or carlin type gold ore? I hear it looks spongey but I don't know and google doesn't really have any images of carlin ore.

 

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[Rific]

Is this decalcified limestone? Doesn't seem like normal limestone...I'm trying to make a connection with what a carlin type of mineralization looks like. Does anyone have pictures of decalcified limestone or carlin type gold ore? I hear it looks spongey but I don't know and google doesn't really have any images of carlin ore.

Hey rific you idiot, why don't you just pour vinegar on it?

 

[IAMZIM]

LoL!

 

[Eu_citzen]

I honestly had to look up decalcified limestone. It sounds like an oxymoron.

 

[stdenis_jd]

I honestly had to look up decalcified limestone. It sounds like an oxymoron.

I wonder if he means silicification aka quartz replacement