X-Ray Fluorescence for Laminated Silty Shale Reservoirs in Ordos Basin, China: Implications for Lithology Identification

Table 1

Laminated density classified standard of Y1 units.

Unit	①	②	③	④	⑤	⑥	⑦	⑧	⑨
Laminated density (no./m)	31~43	5 ~ 33	20~42	6	20~56	2	16~48	5 ~ 20	42~55