The sediment around the fossil will fossilize or turn to rock.

Otherwise, you'd better hope the sediments around you harden while your bones decay away and another sediment or mineral fills in the spaces your bones leave behind,creating a perfect cast of your skeleton.Over time, the sediments around your fossil will lithify or turn into rock.But you're not in the clear yet!Many things could happen to those sedimentary rocks that might destroy your chances of getting discovered.