A Tale of Three Sands

“I thought that large stones with curvilinear faces, bedded in common mortar, do not form so strong a walls they may when their interstices are filled with fitting stones together with the due quantity of mortar; so mortar made with sand, whose grains come near to equal in size and globular, cannot be so strong…

Playing in the sandbox: Learning what graphs mean and how you can manipulate a sand to meet your needs

A graph like the one in the previous post is only one way of understanding your sand. It's important to look at the aggregate in several ways. Setting the aggregate retained from each fraction out in dishes side by side allows you to see the mineral types and their relationships more easily. After completing a…