minus-squarePodicipedidae@mander.xyztoCool Rocks@lemmy.today•It's not hand-held but still cool. Bonanaza Falls in Michigan's upper peninsulalinkfedilinkEnglisharrow-up2·10 days agoNot an expert but this looks like shale. Shale tends to break in flat planes because of its chemical structure. linkfedilink
Not an expert but this looks like shale. Shale tends to break in flat planes because of its chemical structure.