Antique chromolithograph butterfly plate from Macrolepidoptera of the World, Volume 5, Dr. Adelbert Seitz, Editor. Eueides - Plate 80 This chert is a facies

This chert is a facies of the Miocene Monterey Formation and is biochemical

Tremolite asbestos is fairly uncommon

They are not found like this naturally

This sand is roughly half garnet and half quartz

Antique chromolithograph butterfly plate from Macrolepidoptera of the World, Volume 5, Dr. Adelbert Seitz, Editor. Eueides - Plate 80 This chert is a faciesThe Seitz plates are spectacular examples of scientific illustration and printing from the early 1900s. The use of metallic inks is unusual and makes some plates particularly dynamic. These were printed over a period from 1907 to 1954, with interruptions by two World Wars. All of these plates will mat and frame handsomely. They measure 9 3 4 " x 13" with a roughly 1 1 4" margin outside the black frame line. They are on a cream paper that is only very