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Our first shot at earth pigments

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WhistlingBadger:

--- Quote from: Pat B on August 16, 2022, 10:01:11 am ---Please share the info from the geologist about other color pigment.

--- End quote ---

Well, probably nothing that would be of too much use to anyone but us, I'm afraid, since it was all very specific to this area.  But here goes. The big take-aways were:
1.  The mustard-yellow rock is, in fact, yellow ocher.  It is a fairly thin, intermediate layer in between other, more substantial layers.
2.  Directly underneath this ocher sandstone layer we should find some clay stone or silt stone (we'll have to dig for it a bit) that should have interesting purple and green colors.
3.  Anywhere we find belemnite fossils (also known as bullet fossils; quite common around here), look upslope for the rock shelf they've eroded from.  It too should contain rocks of interesting colors:  Blues, greens, grays, purples.

bjrogg:
Pretty cool WB

I’ll try a guess.
Snail and mountains Baglerings work

Squiggly lines, bird and arrow yours.

Bjrogg

PS it’s all good

WhistlingBadger:

--- Quote from: bjrogg on August 26, 2022, 12:41:22 pm ---Pretty cool WB

I’ll try a guess.
Snail and mountains Baglerings work

Squiggly lines, bird and arrow yours.

Bjrogg

PS it’s all good

--- End quote ---

Called it!  Thanks.  It's always fun learning something new. 

Further insights:  Egg yolks make a MUCH better binder than hide glue.  Hide glue works great, but it has about a ten second working time before it cools off and goops up.  Egg yolks are nice and thick, but workable until they dry out.

BowEd:
Good evaluation of using materials to a nice final product.I do wonder about the resistance against moisture or rain.
For instance using it on brain tan leather for achievemant marks,celestial figures,animal figures and the like.Many times less time consuming than quill or beadwork but still getting the point across.
I've seen it done on brain tan leather and rawhide before using hide glue in astounding fashion,but still wondered the same thing about water resistance.

WhistlingBadger:
Thanks, Ed.  I suspect water resistance will be similar to hide glue:  Not much.  If I were going to use this on a bow back or anything else that might see rain, I'd grease the daylights out of it before I took it outside.

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