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Songshan

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Journal Article
Journal: GSA Bulletin
Published: 24 May 2024
GSA Bulletin (2024)
...Qiang Feng; Junsheng Lu; Xu Kong; Gang Liu; Yuting Li; Yiyi Zhang; Zengyin Duan; Juanjuan Li The Dengfeng Complex and Songshan Group comprise a middle- to lower-grade metamorphic complex with abundant lithological associations in the Songshan area (central Henan, China), representing an excellent...
Journal Article
Published: 01 February 2007
Bulletin of the Seismological Society of America (2007) 97 (1B): 14–34.
... in Ningxia Province. To investigate the millennial seismic history of the western Haiyuan fault, we opened two trenches in a small pull-apart basin near Songshan, in Gansu Province. The excavation exposes sedimentary layers of alternating colors: dark brown silty to clayey deposit and light yellowish brown...
FIGURES | View All (15)
Journal Article
Published: 01 September 1982
Geological Magazine (1982) 119 (5): 433–461.
Journal Article
Published: 23 August 2022
Geological Magazine (2022) 159 (11-12): 2379–2394.
FIGURES | View All (11)
Image
Sensitivity analysis on different  S -wave velocities within the <span class="search-highlight">Songshan</span> f...
Published: 01 June 2008
Figure 13. Sensitivity analysis on different S -wave velocities within the Songshan formation and heterogeneous velocity model (Table  1 ). The velocity type, north component, synthetic waveforms at station TAP021 are shown. Solid line is the result of original model with constant S wave ( Vs
Image
Mosaic of south-looking photos of the Haiyuan fault north of <span class="search-highlight">Songshan</span>  vill...
Published: 01 February 2007
Figure 3. Mosaic of south-looking photos of the Haiyuan fault north of Songshan village and corresponding geomorphic interpretations. Locations of fault traces are indicated by red arrows. The southern strand coincides with a vegetation transition line. Trench 1 is located across the southern
Image
Map of the Haiyuan fault near <span class="search-highlight">Songshan</span>, superimposed on aerial photos  (mod...
Published: 01 February 2007
Figure 2. Map of the Haiyuan fault near Songshan, superimposed on aerial photos (modified from Lasserre et al. , 1999 ). Thick black line in the middle indicates the trace of the Haiyuan fault. Paleoseismic site described in this study (shown as a star) is located in the pull-apart basin
Image
(a) Map of the research area. (b) Geological map of Gedong region (after Zh...
Published: 06 June 2013
Figure 1. (a) Map of the research area. (b) Geological map of Gedong region (after Zhao et al . 2001 ) and location of the Songshan Section. (c) Stratigraphic column of the Tsinghsutung Formation and fossil locations at Songshan Section.
Journal Article
Published: 01 June 2008
Bulletin of the Seismological Society of America (2008) 98 (3): 1229–1242.
...Figure 13. Sensitivity analysis on different S -wave velocities within the Songshan formation and heterogeneous velocity model (Table  1 ). The velocity type, north component, synthetic waveforms at station TAP021 are shown. Solid line is the result of original model with constant S wave ( Vs...
FIGURES | View All (13)
Image
Field photographs showing the unconformable contact relationships between P...
Published: 27 November 2018
Figure 13. Field photographs showing the unconformable contact relationships between Proterozoic overlap sequences and the Archean Dengfeng greenstone belt. (A) Unconformity between the Paleoproterozoic Songshan Group and Archean Dengfeng Complex. (B) White quartzite from the lower Songshan Group
Image
The main subsurface of the Taipei basin. (a) Depth distribution of the Song...
Published: 01 June 2008
Figure 1. The main subsurface of the Taipei basin. (a) Depth distribution of the Songshan formation. The contours show the isodepth and the red dotted lines indicate the major fault systems in the basin. (b) Tertiary basement depth distribution. The scenario source location is shown as a star
Image
Distributions of the  E   k   value along the pseudoarray driven from the t...
Published: 01 June 2008
Figure 10. Distributions of the E k value along the pseudoarray driven from the three testing models. Different types of gray lines are the E k value derived from three models: (a) the layered half-space model; (b) only basement structure model; and (c) Songshan formation
Image
Snapshots derived from the three testing models: (a) the snapshots of layer...
Published: 01 June 2008
Figure 9. Snapshots derived from the three testing models: (a) the snapshots of layered half-space model; (b) the snapshots of the only basement structure model; and (c) the snapshots of the Songshan formation with a basement structure model. The bottom notes indicate the velocity profiles across
Image
Stratigraphic column and youngest detrital zircon U-Pb ages for the Songsha...
Published: 27 November 2018
Figure 12. Stratigraphic column and youngest detrital zircon U-Pb ages for the Songshan and Wufoshan Groups, Dengfeng area. The youngest detrital zircon U-Pb ages mark the approximate maximum depositional ages of the strata. WDFC—western Dengfeng Complex, EDFC—eastern Dengfeng Complex, DFGB
Journal Article
Published: 06 June 2013
Geological Magazine (2014) 151 (2): 339–348.
...Figure 1. (a) Map of the research area. (b) Geological map of Gedong region (after Zhao et al . 2001 ) and location of the Songshan Section. (c) Stratigraphic column of the Tsinghsutung Formation and fossil locations at Songshan Section. ...
FIGURES | View All (8)
Image
Slip-time function of the Laohu Shan section of the Haiyuan fault if the co...
Published: 17 April 2018
at the Songshan site. The data indicate a best-estimated average slip rate of 3–5 mm/yr during the past 2000 yr.
Image
(a) Map view of the Taipei basin. The depth of the basement is represented ...
Published: 01 February 2008
of the two major discontinuities in the Taipei basin: The SongShan formation and the basin basement. Surface topography around the basin is shown at the top of the figure.
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Composite grid scheme. The domain decomposition is based on an  N -node par...
Published: 01 June 2008
Figure 2. Composite grid scheme. The domain decomposition is based on an N -node parallel environment. Three domains with different grid systems are set in the computing model. For depth less than 240 m, the scalene grid ( dz =10 m) is used to constrain the Songshan formation. At 840 m
Journal Article
Journal: GSA Bulletin
Published: 27 November 2018
GSA Bulletin (2019) 131 (5-6): 966–996.
...Figure 13. Field photographs showing the unconformable contact relationships between Proterozoic overlap sequences and the Archean Dengfeng greenstone belt. (A) Unconformity between the Paleoproterozoic Songshan Group and Archean Dengfeng Complex. (B) White quartzite from the lower Songshan Group...
FIGURES | View All (15)
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Hypothesized rupture extents (bold dark lines) of the youngest four  events...
Published: 01 February 2007
Figure 14. Hypothesized rupture extents (bold dark lines) of the youngest four events exposed at the Songshan site. Events SS3 and SS4 were likely large events similar to the 1920 M >8 Haiyuan earthquake. The smaller event SS2 was located either on the main trace of Haiyuan fault