Multivariate Analysis, Mass Balance Techniques, and Statistical Tests as Tools in Igneous Petrology: Application to the Sierra de las Cruces Volcanic Range (Mexican Volcanic Belt)

Table 3

Trace element composition (ppm) for the volcanic rocks from the Sierra de las Cruces range.

Sample	SC03	SC16	SC22	SC46	SC51	SC52	SC52a	SC53	SC58	SC60
Sector	SCT	SCT	SCT	SCN	SCN	SCN	SCN	SCS	SCS	SCS
TAS	D	A	BTA	D	D	D	BA	A	D	D
La	14.1	20.0	34.8	23.4	25.2	24.1	16.2	18.8	11.1	17.1
Ce	31.2	47.9	77.8	41.2	40.6	38.2	40.9	41.2	21.8	34.1
Pr	4.03	7.28	10.10	6.54	6.12	6.71	5.19	5.14	2.99	4.35
Nd	17.1	29.7	42.9	26.5	24.7	28.4	24.3	21.6	12.6	17.4
Sm	3.9	6.1	9.0	5.4	4.8	5.6	5.5	4.6	2.9	3.6
Eu	1.24	1.77	2.67	1.52	1.37	1.66	1.65	1.57	1.08	1.10
Gd	3.9	6.2	8.0	4.4	4.3	5.0	5.3	4.6	2.9	3.3
Tb	0.6	0.9	1.1	0.7	0.7	0.7	0.8	0.7	0.5	0.5
Dy	3.3	5.2	5.7	3.8	3.7	4.0	4.6	3.9	2.6	2.7
Ho	0.7	1.0	1.0	0.7	0.7	0.8	0.9	0.8	0.5	0.5
Er	1.9	2.7	2.9	2.0	2.1	2.2	2.5	2.2	1.5	1.6
Tm	0.28	0.37	0.42	0.30	0.30	0.30	0.36	0.32	0.22	0.22
Yb	1.7	1.8	2.5	2.0	1.9	1.9	2.2	1.9	1.4	1.4
Lu	0.24	0.32	0.40	0.30	0.30	0.29	0.33	0.29	0.23	0.21
Sc	15		19	11	9	15	37	18	13	8
V	102	39	150	88	75	109	216	119	59	51
Cr	246	28	260	60	60	150	360	150	170	40
Co	18	10	29	10	9	15	40	21	15	9
Ni	88		110	30	30	50	110	80	50	20
Cu	21	94	30	10	20	20	60		20	20
Ga	13	22	20	18	20	21	22	24	21	21
Rb	13	3	28	59	61	40	22	6	38	58
Sr	380	303	763	521	502	582	445	569	454	368
Y	20	32	28	20	21	19	22	21	15	18
Zr	136	156	237	156	160	158	162	194	143	149
Nb	6.0	5.4	17.0	4.0	4.0	3.0	3.0	8.0	13.0	4.0
Cs			2.1	2.8	2.7	1.1			1.2	2.1
Ba	276	412	648	542	571	481	344	660	388	481
Hf	3.4	4.4	5.4	4.2	4.2	4.4	4.7	4.8	3.8	4.2
Ta	0.40	0.33	1.10	0.5	0.5	0.30	0.20	0.7	0.3	0.6
Pb	72		11	11	14	11	23	10	9	11
Th	1.8	3.0	4.1	6.7	6.7	4.0	3.0	5.0	3.4	8.2
U	0.6	1.3	1.2	2.6	2.5	1.6	1.1	1.1	1.4	3.1