...F ig . 4. Binary diagrams of partial pressure of gases (mbar N 2 equiv) versus temperature (°C) at a constant heating rate of 3.89°C per minute of the quartz sample HG-M2-1B from the Huaqiao gold mine in China. A. Major constituents of the fluid inclusions (H 2 O, N 2 and CO 2 ). B. Minor...

... those of Buttsia . They are dominated by a large, inflated axis, and the pleural fields are narrow. As discussed by Loch and Taylor (2004 , p. 597), Buttsia globosa Lu and Lin, in Peng, 1987, from the Huaqiao Formation of northwestern Hunan, China ( Peng et al. 2004 , pl. 20, figs. 1–14, pl. 21...

... Cambrian in age ( Zhu et al. 2004 ). The third positive excursion is recorded at the base of the Huaqiao Formation ( Ptychagnostus atavus zone), considered equivalent to the lower Bolaspidella biozone (see Shergold and Geyer 2003 ; Fig. 7 ). We correlate this with the Las Torres Member positive...