Geofluids

Research Article

Whether the Middle Eocene Salt-Forming Brine in the Kuqa Basin Reached the Potash-Forming Stage: Quantitative Evidence from Halite Fluid Inclusions

Table 1

(°C) of middle Eocene halite primary fluid inclusions in borehole DZK01, Kuqa Basin.


Sample	Depth (m)	(°C)/size (μm)	(°C)	(°C)	(°C)	(°C)

S1	1363		47.1	11.1	27.2
	FIA 1	11.1/16; 13.8/15; 14.1/29; 16.4/28; 17.2/28; 17.8/24; 18.1/20; 18.8/22				7.7
	FIA 2	19.5/22; 20.1/26; 20.5/18; 20.8/8; 21.3/12; 21.5/13; 22.2/15; 22.4/36; 22.6/42; 23.8/8; 24.1/6; 24.1/29; 24.2/28; 24.9/15; 25.1/19				5.6
	FIA 3	22.8/19; 23.7/10; 24.4/32; 24.6/16; 24.7/25; 28.3/22; 28.4/19; 28.5/28; 28.6/31; 28.7/30				5.9
	FIA 4	25.6/18; 26.3/33; 26.5/34; 26.7/20; 29.2/31; 30.2/21; 30.2/28; 30.3/20; 31.3/18				5.7
	FIA 5	30.8/16; 31.2/16; 31.5/17; 31.5/15; 31.6/19; 31.7/25; 31.7/15; 32.3/10; 33.2/18; 33.6/14; 33.8/10; 35.4/26				4.6
	FIA 6	37.2/10; 37.3/11; 39.9/16; 41.6/15; 42.7/23; 44.8/29; 47.1/18				9.9

S2	1373		52.3	13.2	31.2
	FIA 1	13.2/27; 14.5/26; 14.6/23; 15.1/20; 15.5/19; 19.5/14; 21.2/34; 22.1/38				8.9
	FIA 2	20.8/18; 21.0/10; 23.4/41; 28.9/28; 29.5/27; 29.6/24; 29.6/23				8.8
	FIA 3	29.1/16; 29.8/25; 34.1/28; 34.2/12; 34.5/13; 35.1/18; 35.2/16				6.1
	FIA 4	35.3/26; 38.1/28; 38.1/23; 38.4/16; 45.6/20				10.3
	FIA 5	42.6/14; 45.8/7; 46.4/22; 47.6/19; 49.2/15; 52.3/31				9.7

S3	1382		36.2	15.3	23.2
	FIA 1	15.3/24; 16.3/10; 16.4/9; 16.4/35; 16.6/33; 16.7/24; 17.2/26; 17.5/23; 17.6/18; 17.8/14; 18.4/10; 18.8/27; 19.1/28; 19.3/28; 19.5/25; 19.6/17; 19.6/16; 19.8/27; 20.5/8; 20.8/11; 22.3/19; 22.8/24; 23.8/25				8.5
	FIA 2	24.3/12; 24.3/18; 24.5/31; 24.8/48; 25.1/26; 26.1/27; 26.2/16; 27.3/29; 27.6/33; 31.4/15				7.1
	FIA 3	28.9/15; 31.2/14; 31.6/31; 31.6/32; 31.6/18; 32.7/26; 32.8/28; 36.2/20				7.3

S4	1470		54.1	9.4	30.5
	FIA 1	9.4/24; 10.2/23; 14.5/25; 15.6/28; 15.7/12; 16.2/20; 16.3/28; 16.7/24; 17.3/33; 17.5/38; 17.8/36; 19.5/31; 20.7/46; 20.8/41; 21.1/27				11.7
	FIA 2	22.1/35; 22.2/24; 22.8/28; 23.1/24; 24.1/26; 24.3/15; 25.1/24; 25.9/16; 26.1/26; 26.2/17; 26.3/25; 26.5/26; 26.7/33; 27.2/37; 27.2/35; 27.8/26; 27.8/8; 28.1/8; 28.2/7; 28.5/24; 29.3/18; 29.3/23; 29.4/25; 30.1/29				8.0
	FIA 3	28.6/25; 28.9/15; 29.1/19; 30.2/38; 30.2/44; 30.3/35; 30.4/21; 30.5/20; 31.1/17; 31.7/22; 31.9/28; 32.4/23; 32.4/14; 32.5/15; 32.7/22; 32.8/10; 33.2/33; 34.5/29; 34.6/14; 35.4/41; 36.1/18; 36.4/22; 36.5/31; 36.6/27; 36.8/20; 37.6/31; 37.8/15; 38.1/24				5.7
	FIA 4	35.5/37; 35.6/34; 35.8/36; 38.4/16; 38.5/28; 40.8/24; 41.6/35; 41.8/10; 42.1/18; 44.8/27; 46.1/16; 46.1/28				10.6
	FIA 5	44.5/20; 45.3/26; 46.4/24; 47.6/23; 52.4/20; 54.1/29				9.6

: maximum homogenization temperature; : minimum homogenization temperature; : average homogenization temperature; : range of data; FIA: fluid inclusion assemblage.