Locality	Layer
	Ban Mae Lana,Sop Pong	Shale bed, unrecognized
	Ban Na Pong,Loei area	Huai I-Loet Fa.,Purple shale
	Ban Sup, Loei area	Wang Saphung Fa.,shale
	Doi Pha Phlung,Lampang	Huai Thak Fa.
	Huai I-Loet, Loei area	Huai I-Loet Fa.,Grey thin-bed. lmst.
	Wat Chonlathararam,Loei area	Huai I-Loet Fm.,grey shales