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Usme Formation

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Field photographs of the Soltanieh <span class="search-highlight">Formation</span> in the Sarbandan section. (a) ...
Published: 09 July 2018
Middle Dolomite Member (MDM) and Upper Shale Member (USM) of the Soltanieh Formation. (g, h) Complex trace fossils from the USM of the Soltanieh Formation.
Image
( a ) Image showing the continuous succession from the Middle Sandstone Mem...
Published: 21 May 2021
Fig. 9. ( a ) Image showing the continuous succession from the Middle Sandstone Member (MSM) to the Zheya Formation: the Upper Sandstone Member (USM), the Uppermost Denggang Formation (U m D) and the Sangdanlin Formation (SF). Characteristics of ( b ) MTD II and ( c ) MTD III. Person (outlined
Journal Article
Published: 09 July 2018
Geological Magazine (2019) 156 (7): 1157–1174.
... Middle Dolomite Member (MDM) and Upper Shale Member (USM) of the Soltanieh Formation. (g, h) Complex trace fossils from the USM of the Soltanieh Formation. ...
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Outcrop photograph facing westward across the El Papalote diapir. The diapi...
Published: 01 May 2002
Figure 6 Outcrop photograph facing westward across the El Papalote diapir. The diapir is approximately 2 km across. MSM = middle siltstone member; UMM = upper mudstone member; USM = upper siltstone member of the Potrerillos Formation.
Journal Article
Journal: AAPG Bulletin
Published: 01 October 2006
AAPG Bulletin (2006) 90 (10): 1609–1630.
... localization and the abandonment of antithetic faults. Renewed fault initiation led to further fault growth prior to the transition to rift climax stage, with the development of a throughgoing, linked array. Boundary faults propagated to near-maximum length prior to significant basin formation, whereas segment...
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Journal Article
Published: 01 May 2016
American Mineralogist (2016) 101 (5): 1061–1071.
... mudstone (USMS) ( Morganti 1979 ). The Steel Formation conformably overlies the Duo Lake Formation and is informally named the Flaggy mudstone (FLMD) ( Morganti 1979 ). Zinc-Pb SEDEX deposits, for which the HPD is renowned, are hosted within the ACTM. Conodont and graptolite biostratigraphic determinations...
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Journal Article
Journal: Geology
Published: 01 May 2000
Geology (2000) 28 (5): 475–478.
.... Based on the biostratigraphic relationships and the U-Pb zircon ages for the base of the Wilderness (464 Ma) and the uppermost Edenian (443 Ma) formations as well as global graptolite biostratigraphy and evolution rates calculated for individual graptolite species ( Kirk, 1980 ; Harland et al., 1990...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2005
GSA Bulletin (2005) 117 (9-10): 1272–1292.
... footnote 1 ). In the third sequence (middle Eocene–Oligocene), fluvial sandstones of the Regadera Formation ( Hoorn, 1988 ) and equivalent Picacho Formation are transitional upward into mudstones with foraminifera and oolitic iron of the Usme and Concentración Formations, which record renewed marine...
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Stratigraphic column of the Xiazhen <span class="search-highlight">Formation</span> with the 18 stromatoporoid-be...
Published: 01 May 2022
Figure 2. Stratigraphic column of the Xiazhen Formation with the 18 stromatoporoid-bearing intervals. The red-colored intervals indicate where labechiid stromatoporoids were found mostly together with clathrodictyids, except S6 and S8 intervals. The black-colored intervals indicate where only
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Stratigraphic columns showing relevant portions of the Upper Ordovician Xia...
Published: 01 September 2019
Figure 2. Stratigraphic columns showing relevant portions of the Upper Ordovician Xiazhen Formation at sub-sections ZU 1 and ZU 2, Zhuzhai, South China (modified after Lee et al., 2012 ; for complete columns and correlation, see Lee et al., 2012 , figs. 4, 8). Specimens examined in this study
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Stratigraphic column of the Xiazhen <span class="search-highlight">Formation</span> with the 18 stromatoporoid-be...
Published: 01 November 2022
Figure 2. Stratigraphic column of the Xiazhen Formation with the 18 stromatoporoid-bearing intervals. The red-colored intervals (S1–S5, S7, S9–S18, and lower and upper parts of subsection ZU3) indicate where clathrodictyid stromatoporoids were found. The black-colored intervals (S6 and S8
Journal Article
Journal: PALAIOS
Published: 26 July 2022
PALAIOS (2022) 37 (7): 374–391.
... of poorly preserved shelly tubicolous organisms in two fossiliferous slabs from the Soltanieh Formation, northern Iran. Analysis of the taphonomy of this fossil assemblage using thin-section petrography, scanning electron microscopy, and energy dispersive X-ray spectroscopy, suggests a two-part...
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Journal Article
Published: 01 June 1997
Bulletin of Canadian Petroleum Geology (1997) 45 (2): 155–177.
... and tributaries, Townships 8-14, Ranges 13W4-19W4. Table 1. Locations of six cores and eleven outcrops utilized in this study, indicating those that appear on figures in this paper. TCZ = Tabor Coal Zone; CM = Comrey Member of the Oldman Formation; usm = "upper siltstone" member of the Oldman Formation; DPF...
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Stratigraphic variation of organic carbon weight percent (yellow), δ 34 S o...
Published: 07 June 2018
Figure 2. Stratigraphic variation of organic carbon weight percent (yellow), δ 34 S of total pyrite (red), and δ 13 C of carbonate (blue) in the Duo Lake Formation (Selwyn Basin, northwestern Canada). Horizontal bars show member-averaged δ 34 S values for pyrite separates (from Goodfellow
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Stratigraphy of the Gufeng <span class="search-highlight">Formation</span> and the binary chert-mudstone successi...
Published: 14 May 2019
into the lower shale member (LSM), middle chert-mudstone member (MCM), and upper shale member (USM), between the Qixia and Longtan Formations ( BGAP, 1978 ). Biostratigraphy of the Gufeng Formation is modified after BGAP (1978 ) and X. Yao et al. (2015) . Fusulinid zonation of the upper Qixia Formation
Journal Article
Published: 06 December 2018
Journal of the Geological Society (2019) 176 (2): 269–283.
... ( Fig. 4c ) shows a discrete population with coequal concentrations of Ca, Fe and Mg. The USM ( Fig. 4b ) component of the Ghaythi Formation shows a bias towards Cr-spinel, which is also reflected in the USMG ( Fig. 4d ). The Sabkha Mati gravels are a suite of deflated and reworked fluvial sands...
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Journal Article
Published: 01 June 2012
Bulletin of the Seismological Society of America (2012) 102 (3): 1135–1154.
... and reconstruction of preceding earthquakes along the 1857 rupture trace have contributed to formulation of the characteristic earthquake ( CEM ) and uniform‐slip models ( USM ) for earthquake recurrence that find wide application in seismic hazard assessment and earthquake forecasting. We used the high‐resolution...
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Journal Article
Published: 01 August 2019
Earthquake Spectra (2019) 35 (3): 1329–1349.
... area. The overlying basin infilling includes semiconsolidated marine terraces of the Navidad Formation (Miocene) outcropping in the northern limit of the study area, mainly clayey sandstone, fine-grain sandstone, and coarse-grain sandstone. On top of this sequence, we find fluvial unconsolidated...
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Journal Article
Journal: Geology
Published: 07 June 2018
Geology (2018) 46 (7): 619–622.
...Figure 2. Stratigraphic variation of organic carbon weight percent (yellow), δ 34 S of total pyrite (red), and δ 13 C of carbonate (blue) in the Duo Lake Formation (Selwyn Basin, northwestern Canada). Horizontal bars show member-averaged δ 34 S values for pyrite separates (from Goodfellow...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 May 2009
GSA Bulletin (2009) 121 (5-6): 780–800.
... and Marichuela Formations; Helmens and Van der Hammen, 1994 ) rest unconformably on middle Eocene to lower Oligocene nonmarine sediments (Usme and Regadera Formations; Hoorn et al., 1987 ; Kammer, 2003 ; Gómez et al., 2005 ; Fig. 2 ). In contrast, a complete record of Cenozoic sedimentation is exposed...
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