Outcrop-scale fracture systems in the Alpine foreland of central northern Switzerland: kinematics and tectonic context

Madritsch, Herfried

doi:10.1007/s00015-015-0203-2

Swiss Journal of Geosciences

Table 3 Outcrops where fault-slip analysis yielded indications of shortening (compare Figs. 12, 13)

From: Outcrop-scale fracture systems in the Alpine foreland of central northern Switzerland: kinematics and tectonic context

Outcrop signature	N	n	Right-Dihedra fault-slip analysis						Tectonic regime	Age constraint
			σ1		σ2		σ3
			Azi.	Pl.	Azi.	Pl.	Azi.	Pl.
1	27	1	337	7	86	68	244	21	Strike-slip	Pre- to post folding
1	21	1	336	9	82	62	242	27	Transpression	Post-folding
1	6	0	340	2	81	82	250	8	Strike-slip	Pre-folding
2	33	3	170	2	53	86	260	3	Strike-slip	Pre-folding
3	16	4	340	9	71	7	198	79	Compression	Pre- to post folding
4	18	0	157	4	49	77	248	13	Transpression	Pre- to post folding
4	6	0	161	6	69	11	278	77	Compression	Post-folding
4	12	0	156	3	37	84	246	5	Strike-slip	Pre-folding
5	21	5	341	0	246	86	71	4	Strike-slip	Pre- to post folding
6	32	3	341	5	217	81	72	8	Transpression	Pre-folding
7	21	2	174	7	35	81	256	6	Transpression
8	29	4	157	2	48	85	247	5	Strike-slip
9	41	1	175	3	346	87	85	0	Transpression
10	32	0	162	3	29	86	252	3	Transpression
11	10	2	166	0	72	82	256	8	Strike-slip	Pre-folding
13	9	2	347	6	83	48	252	42	Transpression	Pre-folding
14	6	1	210	23	301	3	37	67	Compression	Post-folding
14	22	4	150	0	57	84	240	6	Strike-slip	Pre-folding
15	23	4	344	5	238	73	75	16	Transpression
16	14	2	20	5	139	81	289	8	Strike-slip	Pre-folding
17	19	6	339	9	69	1	166	81	Compression	Post-folding
18	34	3	337	8	81	62	243	27	Transpression
19	37	0	339	10	96	68	246	19	Transpression
20	23	6	332	1	282	87	62	3	Transpression
21	11	0	311	5	193	80	41	9	Strike-slip
22	17	1	138	3	348	87	229	1	Strike-slip
23	21	1	320	1	101	89	230	1	Strike-slip
24	15	3	145	2	259	85	55	4	Strike-slip	Pre- to post-folding
25	6	0	129	15	302	75	38	2	Strike-slip	Pre-folding
25	9	3	185	4	21	86	275	1	Strike-slip	Pre-folding
26	10	1	181	2	360	88	91	0	Strike-slip
27	39	5	344	5	129	84	254	3	Strike-slip
28	14	3	351	2	133	88	261	1	Strike-slip	Post-folding
29	17	2	337	6	212	79	68	9	Strike-slip
30	30	0	171	2	68	81	261	9	Strike-slip
31	9	1	329	4	188	85	59	3	Strike-slip	Pre-folding
32	41	1	170	2	284	86	80	3	Strike-slip
33	8	3	197	5	104	32	295	58	Compression	Post-folding
34	26	4	6	4	274	26	104	64	Transpression	Pre-folding
34	20	3	42	3	154	30	311	6	Transpression	Pre-folding
35	30	2	192	3	78	83	282	7	Transpression
36	12	1	2	3	272	2	143	86	Compression	Post-folding
36	22	4	342	2	119	88	252	2	Strike-slip	Pre-folding
37	41	5	2	7	98	40	263	49	Transpression	Post-folding
38	26	2	349	4	249	66	81	23	Transpression	Post-folding
39	20	1	143	2	245	79	53	11	Transpression
39	14	0	16	7	248	79	107	8	Strike-slip
41	22	10	11	5	264	73	103	16	Transpression	Pre-folding
42	25	6	331	10	86	68	238	20	Transpression	Pre- to post folding
42	6	1	325	12	62	26	213	60	Compression	Post-folding
42	19	5	333	7	120	82	243	4	Strike-slip	Pre-folding
43	34	0	342	2	181	88	72	1	Strike-slip
44	8	0	326	6	143	84	236	0	Strike-slip
45	28	3	168	0	261	83	78	7	Strike-slip
46	23	1	351	1	237	88	81	2	Strike-slip
47	12	2	155	4	278	83	64	6	Strike-slip
48	19	4	6	1	226	89	96	1	Strike-slip	Post-tilting
49	13	0	335	5	199	84	65	4	Strike-slip
50	9	2	202	2	318	86	112	4	Strike-slip
51	13	1	13	3	157	86	283	3	Strike-slip
52	23	1	161	1	257	77	70	13	Strike-slip	Post-tilting
57	20	4	2	5	110	74	271	15	Strike-slip	Post-tilting

Italic letters show faul-slip analyses for fracture subsets representing pre- and post folding states of deformations that yielded identical results (compare Fig. 13)
N number of relevant fracture measurements, n number of fracture measurements with no shear sense information. σ1 > σ2 > σ3 maximum, intermediate and minimum principal stress axes, Azi Azimuth, Pl. Plunge

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