div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentarkansas-geological-survey-official-home-page-stone-and-roofing-granuleshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Arkansas Geological Survey - Official Home Pagestone and roofing granules Undifferentiated Paleozoic rocks shale siltstone and Atoka Formation sandstone Sandstone can be used loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer2022052007601b165b5d79cd2bdc3831ffhtml5thumbnails1jpg width=140 height=200 divdiv