[Rockhounds] Online PDF of Report About the Origin of Banded Agates

[Paul]

Below is an online PDF that explains the origin of banded agates.

Pabian, R. K., Zarins, A., 1994. Banded Agates, Origins and
Inclusions. Lincoln, NE: Conservation and Survey Division, UNL. pp. 32
DigitalCommons at University of Nebraska - Lincoln
https://digitalcommons.unl.edu/conservationsurvey/418/

Yours,

Paul H.