Comment on Zhang et al. New Age Constraints of the Bilong Co Oil Shale in the Qiangtang Basin, Northern Tibet: Evidence from In Situ U–Pb Dating and Palaeontology. <i>Minerals</i> 2024, <i>14</i>, 246

Abstract

Two species in question, Tiltoniceras sp. (Zhang et al., 2024, p. 6, Figure 5A,B,E) and “Hildoceratidae sp.”, belong to the misidentification of ammonites, the conclusion drawn by Zhang et al. (2024) lacks reliable evidence from ammonite biochronology to support the U–Pb Dating.

Keywords

• carbonate U–Pb geochronology
• ammonite biostratigraphy
• oil shales
• Qiangtang Basin