The Activity of the Yaziba Fault on the Lower Reaches of the Jinsha River, Southwestern China: Indirect Evidence from Paleo Earthquakes and Ancient Landslides

Table 1

Age dates for the area around the Yaziba Fault.

Test object	Indicated age	Sample material	Number	Dating method	Age (ka)	Source
Fault gouge or fault breccia	The age of activity on the Yaziba Fault	Fault gouge	D1	TL	80.9 ± 15.3	Lin [32]
			D2	SEM	Q2	Lin [32]
			D3	SEM	Q3	Lin [32]
		Fault breccia	D4	ESR	147	Our test
		Fault breccia	D5	ESR	81	Our test
		Fault breccia	D6	ESR	14.2	Our test
		Calcite vein	D7	ESR	321 ± 32	Our test
		Fault gouge	D8	ESR	6.79 ± 0.03	Our test
Landslide	The age of the tested landslide	Breccia from the sliding belt	B1	ESR	113	Lin [32]
		Calcite vein	B2	TL	115 ± 14	Lin [32]
			B3	ESR	5	Lin [32]
		Limestone breccia	B4	ESR	1104 ± 124	Our test
		Limestone breccia	B5	ESR	1840 ± 190	Our test
		Limestone breccia	B6	ESR	29.59	Our test
		Limestone rock	MH-I	^36Cl	20.8	Our test
		Limestone rock	MH-II	^36Cl	13.2	Our test
The seismic liquefaction and the Quaternary overburden layer	The fault activity age	Carbon chips	S1	^14C	24.5 ± 0.8	Hou et al. [33]
	The age of the flood alluvial terrace	Wood charcoal	S2	^14C	28	Wang [34]
	The age of seismic liquefaction	Sandy soil	S3	ESR	260	Wang [34]
	The age of the river sediments	Silt	S4	TL	43.3 ± 3.3	Wang [34]
			S5	OSL	47 ± 0.5	Wang [34]
	The age of the ancient earthquake wedge	Clay	S6	TL	19.32 ± 1.64	[33]
	The age of the seismic liquefaction	Sandy soil	S7	TL	11.63 ± 0.99	Hou et al. [33]
	The age of the layer overlying the Yaziba Fault	Silt	S8	OSL	3.8 ± 0.03	Our test
Quake lake	The age of the tested Quake lake	Sandy soil	Y1	TL	15.69 ± 1.33	Hou et al. [33]
		Sandy soil	Y2	TL	7.06 ± 0.142
		Sandy soil	Y3	TL	5.75 ± 0.49
Test object	Indicated age	Sample material	Number	Dating method	Age (×10^4 year)	Source
Fault gouge or fault breccia	The activity age of the Yaziba Fault	Fault gouge	D1	TL	8.09 ± 1.53	Lin [32]
			D2	SEM	Q2	Lin [32]
			D3	SEM	Q3	Lin [32]
		Fault breccia	D4	ESR	14.7	Our test
		Fault breccia	D5	ESR	8.1	Our test
		Fault breccia	D6	ESR	1.42	Our test
		Calcite vein	D7	ESR	32.1 ± 3.2	Our test
		Fault gouge	D8	ESR	0.679 ± 0.003	Our test
Landslide	The age of the tested landslide	Breccia from the sliding belt	B1	ESR	11.3	Lin [32]
		Calcite vein	B2	TL	11.5 ± 1.4	Lin [32]
			B3	ESR	5.6	Lin [32]
		Limestone breccia	B4	ESR	110.4 ± 12.4	Our test
		Limestone breccia	B5	ESR	184 ± 19	Our test
		Limestone breccia	B6	ESR	2.959	Our test
		Limestone rock	MH-I	^36Cl	2.08	Our test
		Limestone rock	MH-II	^36Cl	1.32	Our test
The seismic liquefaction and the Quaternary overburden layer	The fault activity age	Carbon chips	S1	^14C	2.45 ± 0.08	Hou et al. [33]
	The age of the flood alluvial terrace	Wood charcoal	S2	^14C	2.8	Wang [34]
	The age of the seismic liquefaction	Sandy soil	S3	ESR	26	Wang [34]
	The age of the river sediments	Silt	S4	TL	4.33 ± 0.33	Wang [34]
			S5	OSL	4.47 ± 0.05	Wang [34]
	The age of the ancient earthquake wedge	Clay	S6	TL	1.932 ± 0.164	Hou et al. [33]
	The age of the seismic liquefaction	Sandy soil	S7	TL	1.163 ± 0.099	Hou et al. [33]
	The age of the overlying layer above the Yaziba Fault	Silt	S8	OSL	0.38 ± 0.03	Our test
Quake lake	The age of the tested Quake lake	Sandy soil	Y1	TL	1.569 ± 0.133	Hou et al. [33]
		Sandy soil	Y2	TL	0.706 ± 0.0142
		Sandy soil	Y3	TL	0.575 ± 0.049

B6 is an average value of three samples; S8 is an average value of three samples; MH-I is an average value of five samples; MH-II is an average value of five samples.