Fluid Inclusion and H–O–S–Pb Isotope Geochemistry of the Yuka Orogenic Gold Deposit, Northern Qaidam, China

Table 1

Microthermometric data for fluid inclusions of different stages from the Yuka gold deposit. Table 1 is reproduced from Chai et al. [77], (under the Creative Commons Attribution License/public domain).

Sample no.	Host mineral	FI type	Number	(°C)	(°C)	(°C)	(°C)	(°C) (L-V)	Salinity (wt.% NaCl equiv.)	Stage
ZK0702-12	Quartz	PC	7	-59.4~-56.7		12.4~28.1				I
ZK0702-8	Quartz	C	21	-60.0~-56.6	5.4~9.5	15.6~29.4		205.2~266.4	1.0~8. 5	I
ZK0702-9	Quartz	C	23	-59.4~-56.6	5.7~9.6	15.9~29.1		233~285.5	0.8~8.0	I
ZK0702-10	Quartz	C	28	-59.5~-56.7	5.9~9.7	16.6~29.4		206~274.5	0.6~7.8	I
ZK0703-4	Quartz	C	18	-59.8~-56.8	5.6~9.4	17.8~29.3		233~284.3	1.2~8.1	I
ZK0702-11	Quartz	C	22	-60.0~-56.6	5.9~9.5	12.9~26.8		223.4~255.5	1.0~7.8	II
ZK0703-5	Quartz	C	18	-60.5~-56.7	5.4~9.6	14.8~29.4		222.2~256.1	0.8~8.5	II
ZK0702-13	Quartz	PC	5	-58.4~-56.6		7.7~27.6				II
ZK0702-1	Quartz	W	26				-0.7~-5.3	210.4~265.0	1.3~10.8	II
ZK0702-2	Quartz	W	24				-0.5~-4.9	193.1~257.1	0.9~9.9	II
ZK0702-3	Quartz	W	29				-0.2~-5.3	196.0~253.1	0.4~10.8	II
ZK0702-4	Quartz	W	16				-1.3~-4.9	209.4~268.1	2.4~9.9	II
ZK0702-5	Quartz	W	25				-1.2~-4.5	198.0~267.5	2.2~9.0	II
ZK0702-6	Quartz	W	20				-0.2~-5.7	203~271.1	0.4~11.7	II
ZK0703-1	Quartz	W	21				-0.8~-4.9	188.1~248.5	1.5~9.9	III
ZK0703-2	Quartz	W	21				-1.6~-4.4	193.4~241.2	3.0~8.7	III
ZK0703-3	Quartz	W	32				-0.8~-4.9	190.2~242.4	1.5~9.9	III
ZK0702-7	Quartz	W	17				-0.2~-4.5	188.1~241.6	0.4~9.0	III

Note:  = final melting temperature of solid CO₂;  = final melting temperature of CO₂-H₂O clathrate;  = homogenization temperature of CO₂ phases;  = final melting temperature of ice;  = homogenization temperature; wt.% NaCl equiv. = weight percent NaCl equivalent.