Table 2. Wavelength dispersive analyses.

Table 2. Wavelength dispersive analyses.

Analysis

Description

SiO₂

Al₂O₃

MgO

CaO

Na₂O

K₂O

TiO₂

MnO

FeO

P₂O₅

Sum

20 Clear euhedral crystal 0.5 0.16 0.21 23 — — — — 0.17 0.3 24

21 Clear euhedral crystal 4.0 0.43 0.20 29 — 0.1 — 0.1 0.73 0.2 35

22 Clear euhedral crystal 3.7 0.36 0.17 31 0.1 0.1 — — 0.61 0.2 36

23 Clear euhedral crystal 3.4 0.38 0.15 38 0.1 0.1 — — 0.59 0.1 43

25 Reddish brown particle 3.3 0.11 0.04 26 — — — — 4.64 0.1 34

26 Clay 1.2 6.3 0.24 2 0.1 0.3 1.8 — 2.66 0.2 26

27-1 Nucleation site for CaSO₄ 3.2 0.26 0.13 17 — — — — 2.89 0.5 24

27-2 Nucleation site for CaSO₄ 4.4 0.10 0.08 37 — — — — 1.90 0.2 44

27-3 Nucleation site for CaSO₄ 1.9 0.07 0.01 44 — — — — 0.42 0.1 46

28 Filter 6.4 0.26 0.15 2 0.1 0.1 — — 0.80 0.6 10

29 Calcium sulfate 3.2 0.12 0.06 42 0.1 — — — 1.34 0.2 47

30 Reddish brown mineral 5.4 0.07 0.07 2 0.2 0.1 — 0.1 4.7 0.1 55

Analysis	Description	SiO₂	Al₂O₃	MgO	CaO	Na₂O	K₂O	TiO₂	MnO	FeO	P₂O₅	Sum
20	Clear euhedral crystal	0.5	0.16	0.21	23	—	—	—	—	0.17	0.3	24
21	Clear euhedral crystal	4.0	0.43	0.20	29	—	0.1	—	0.1	0.73	0.2	35
22	Clear euhedral crystal	3.7	0.36	0.17	31	0.1	0.1	—	—	0.61	0.2	36
23	Clear euhedral crystal	3.4	0.38	0.15	38	0.1	0.1	—	—	0.59	0.1	43
25	Reddish brown particle	3.3	0.11	0.04	26	—	—	—	—	4.64	0.1	34
26	Clay	1.2	6.3	0.24	2	0.1	0.3	1.8	—	2.66	0.2	26
27-1	Nucleation site for CaSO₄	3.2	0.26	0.13	17	—	—	—	—	2.89	0.5	24
27-2	Nucleation site for CaSO₄	4.4	0.10	0.08	37	—	—	—	—	1.90	0.2	44
27-3	Nucleation site for CaSO₄	1.9	0.07	0.01	44	—	—	—	—	0.42	0.1	46
28	Filter	6.4	0.26	0.15	2	0.1	0.1	—	—	0.80	0.6	10
29	Calcium sulfate	3.2	0.12	0.06	42	0.1	—	—	—	1.34	0.2	47
30	Reddish brown mineral	5.4	0.07	0.07	2	0.2	0.1	—	0.1	4.7	0.1	55

Notes: Analyzed by Cameca microprobe, Oregon State University. — = not detected.