Genesis of the columnar joints from welded tuff in Mount Mudeung National Geopark, Republic of Korea

Earth, Planets and Space

Table 2 The concentration of trace elements for the colonnades in the Mudeungsan Tuff (ppm)

Sample	Ipseok-dae			Seosuk-dae			Gwangseok-dae		Chotdae-bong
Name	001	003	007	011	015	018	021	023	032
Elevation	(938 m)	(943 m)	(950 m)	(982 m)	(1006 m)	(1030 m)	(922 m)	(930 m)	(980 m)
La	34.6	38.3	36.8	39.5	44.7	45.2	41.6	38.7	41.4
Ce	68.6	70.5	70.1	74.3	78.7	81.2	73.3	84.2	77.1
Pr	7.14	8.51	8.27	6.53	7.24	7.18	7.56	7.17	6.42
Nd	27.8	30.7	34.5	28.5	34.9	37.4	31.4	31.8	29.8
Sm	5.34	5.72	5.68	5.97	6.84	6.65	5.56	5.35	5.46
Eu	1.30	1.36	1.42	1.25	1.47	1.49	1.45	1.41	1.27
Gd	4.65	4.21	3.84	4.06	4.53	4.55	4.07	4.49	4.08
Dy	4.34	4.07	3.88	4.52	4.28	3.58	3.75	3.77	3.79
Ho	0.74	0.72	0.72	0.81	0.75	0.73	0.92	0.86	0.84
Er	2.03	2.25	2.46	2.44	2.43	2.53	2.43	2.32	2.19
Yb	2.09	2.21	2.35	2.12	2.23	2.26	2.04	1.98	2.11
Lu	0.31	0.33	0.29	0.34	0.34	0.34	0.32	0.36	0.31
Sc	13.9	13.6	12.5	11.4	12.9	14.2	11.3	10.9	8.34
Yb	21.3	21.3	21.3	23.1	23.1	23.1	19.2	20.6	20.4
Cu	26.2	20.5	18.1	17.1	15.6	22.3	13.5	15.6	12.9
Cr	7.54	6.25	5.96	4.65	4.54	3.57	6.69	7.32	2.41
Ni	8.57	5.41	4.65	7.21	4.11	5.31	4.75	4.65	3.02
Zn	116	122	128	139	122	118	120	109	97.2
Ba	688	987	937	792	877	907	987	943	854
Co	9.72	10.7	11.5	13.2	11.5	10.3	11.2	10.9	6.74
Rb	105	126	134	116	102	111	119	108	141
Sr	397	358	306	387	423	431	441	502	334
Zr	97.1	78.5	66.3	64.7	57.3	51.9	55.5	41.7	96.3