This is a “banded jasper” or “hematic jasper”. This type of rock with distinct “banding” patterns and a reddish-brown color, which aligns with descriptions of “banded jasper”, especially when formed in iron-rich environments. While other options like banded chert, mudstone, can have banding, the appearance of the rock, particularly its color and the nature of the “banding” strongly suggests a form of jasper that has undergone silicification and potentially iron oxidation. | Omar Nacer

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