siltstone bisa ditegesake minangka rock sedimentary nggoleki-grained kang utamané dumadi saka silt nggabungake
sovite macem-macem coarse-grained saka carbonatite kang belongs kanggo intrusive rock igneous
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque