Feldspar Dissolution and Its Influence on Reservoirs: A Case Study of the Lower Triassic Baikouquan Formation in the Northwest Margin of the Junggar Basin, China

Figure 3

Lithological characteristics of the Baikouquan Formation. (a) Distribution characteristics of different types of lithology; (b) rock classification of the Baikouquan Formation; (c) sorting; (d) roundness. I: quartzarenite; II: subarkose; III: sublitharenite; IV: arkose; V: lithic arkose; VI: feldspathic litharenite; VII: litharenite.

(a)

(b)

(c)

(d)