Petrograph Bitumen Photographic Process. Which bitumen ?

Mustafa Umut Sarac · Dec 8, 2018

I have just decided to work with bitumen , widely available and result is my taste. One canadian researcher did petrograph photographic process with bitumen found between rocks in Athabasca area.

I memorised the process and I want to buy bitumen but I dont know which. There is 60/70 and 80/100 grades. And I learned there is sulfure processed and other processed ones.

Which bitumen should I buy ?

Thanks,

Mustafa Umut Sarac
Istanbul

Mustafa Umut Sarac · Dec 8, 2018

http://www.warrencariou.com/making-a-petrograph/

NedL · Dec 8, 2018

VERY interesting website thank you very much for pointing it out!

awty · Dec 8, 2018

Fantastic!
Please keep posting on what you find out about the process. I'm very interested to.

RauschenOderKorn · Dec 9, 2018

It would be nice to learn more about this process with you.
The very basics are there in the web, but the details would be really interesting to know.

removed account4 · Dec 15, 2018

niepce used bitumen of judea, to make his physatotypes

here's some additional information if you haven't found it
http://www.photo-museum.org/niepce-invention-photography/
and
https://www.google.com/search?sourc....0j3......0....1j2..gws-wiz.....0.AKcvkUp4q-Y

ALSO
there is a way to do something similar using rosin dissolved in lavender oil, instead of asphalt ..
http://www.alternativephotography.com/physautotype-process/

resummerfield · Dec 16, 2018

I'm very interested in this... please keep posting!

Andrew O'Neill · Dec 16, 2018

I wonder if there is any bitumen on the banks of the Pitt River, just down the road from me...

Petrograph Bitumen Photographic Process. Which bitumen ?

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