Tài gǔ tǔ duì jīng 太古土兌經

Most-Ancient Scripture of Earth and Duì

Anonymous; Táng

A Táng Daoist cosmological-alchemical scripture invoking the Tǔ 土 (Earth) and Duì 兌 (the Metal / West / Lake trigram of the Yì jīng) — a trigram-pair correlating with the alchemical metal-west phase. The received text (1 juàn) is truncated from an original 3 juàn. Preserved as DZ 949 / CT 949 (Dòngshén bù, Zhòng shù lèi 洞神部眾術類).