1-20 OF 108 RESULTS FOR

Esmeraldas Ecuador

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 March 1993
The Canadian Mineralogist (1993) 31 (1): 61–73.
Journal Article
Published: 14 February 2018
Seismological Research Letters (2018) 89 (2A): 534–541.
... provide the complete data set of static coseismic displacements recorded from Ecuador to southern Colombia out to 400 km from the rupture. North of the Pedernales earthquake’s foci, in the adjoining Esmeraldas‐Nariño segment, some patches show high interseismic coupling and rapid strain accumulation...
FIGURES | View All (5)
Journal Article
Published: 01 September 2002
Journal of the Geological Society (2002) 159 (5): 577–594.
... along with oceanic plateau material (represented by the Piñon Unit and Pedernales–Esmeraldas sequences) during Eocene time. The development of island arcs, which separate the two accretionary events, implies that the most westerly (coastal) oceanic plateau sequences, both in Ecuador (Piñon...
FIGURES | View All (6)
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1950
AAPG Bulletin (1950) 34 (10): 1998–2006.
... features of importance related to structure and pre-Tertiary topography. These are (in Ecuador): the Guayaquil, Upper Esmeraldas-Quininde; and (in Colombia) the Tumaco, Buenaventura, Upper San Juan, and Lower Atrato highs. These structural and topographic anomalies form divides in the present drainage...
FIGURES
Journal Article
Published: 21 January 2020
Mineralogical Magazine (2020) 84 (2): 289–299.
... as the Chocó (it is likely that the Esmeraldas region, currently in Ecuador, was considered part of the Chocó in the 18th century; Codazzi, 2002 ). Platina and gold have similar specific gravities and in these alluvial deposits, they exhibit similar grain sizes (McDonald and Hunt, 1982 ) and occur mixed...
FIGURES | View All (7)
Series: Geological Society, London, Memoirs, Geological Society, London, Memoirs
Published: 01 January 2014
DOI: 10.1144/M41.24
EISBN: 9781862397057
... ( Daly 1989 ; E. Jaillard pers. comm. 2006). The morphology and drainage pattern of the coastal margin of Ecuador (Fig. 24.2 ) is closely related to the main neotectonic deformations. The three main drainage outlets are the Guayas, Esmeraldas and Cayapas rivers, the Guayas River being the largest...
FIGURES | View All (7)
Series: AAPG Memoir, AAPG Memoir
Published: 01 January 1976
EISBN: 9781629812113
... Abstract The Pacific basins of Ecuador have excellent geologic characteristics for the accumulation of hydrocarbons. Geologic, seismic, gravity, and magnetic surveys provided a basis for exploratory drilling in the provinces of Esmeraldas, Manabi, and Guayas. Exploratory drilling in the Santa...
Journal Article
Published: 27 April 2021
Bulletin of the Seismological Society of America (2021) 111 (3): 1508–1528.
... seismic hazard assessment (PSHA) in Ecuador. It focuses on the hazard produced by subduction interface earthquakes, occurring along the Esmeraldas segment, as defined in Yepes et al. (2016) and updated in Beauval et al. (2018) . The Esmeraldas segment is ∼ 600    km long, extends from...
FIGURES | View All (17)
Image
Geodynamic framework of <b>Ecuador</b> and surrounding areas. (Inset) South Americ...
Published: 27 April 2021
Figure 1. Geodynamic framework of Ecuador and surrounding areas. (Inset) South American continent with the location of the Ecuador framed. The North Andean Sliver (NAS) is bounded to the west by the Nazca subduction trench axis and to the east by the transpressive right‐lateral Chingual–Cosanga
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1980
AAPG Bulletin (1980) 64 (2): 280–282.
...William G. Henderson; Christopher D. R. Evans We welcome the lucid exposition of the Ecuadorian subduction system by Lonsdale (1978) , especially the new offshore data. Unfortunately the description of the landward geology of Ecuador is based on limited data which has been superseded by more...
Journal Article
Published: 06 March 2019
Seismological Research Letters (2019) 90 (3): 1346–1354.
.... Diego Mercerat ABSTRACT The April 2016 Pedernales earthquake ruptured a 100 km by 40 km segment of the subduction zone along the coast of Ecuador in an M w 7.8 megathrust event east of the intersection of the Carnegie ridge with the trench. This portion of the subduction zone has ruptured on decadal...
FIGURES
Journal Article
Published: 03 April 2018
Bulletin of the Seismological Society of America (2018) 108 (3A): 1443–1464.
... for the coastal region between Pedernales and Esmeraldas, Fig.  1 ). South of − 2.5 ° latitude, sites in Ecuador are at greater distances from the interface rupture plane. We notice that for the crustal source Cutucu and the interface source Esmeraldas, the rates based on the ISC‐based catalog...
FIGURES | View All (15)
Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 16 November 2020
Lithosphere (2020) 2020 (1): 2810692.
...Carlos Aizprua; C. Witt; M. Brönner; S. E. Johansen; D. Barba; M. J. Hernandez Abstract Along the Western Cordillera of Ecuador, fault-bounded ophiolites derived from the Late Cretaceous Caribbean Large Igneous Province (CLIP) have provided key petrotectonic indicators that outline the nature...
FIGURES | View All (10)
Journal Article
Published: 31 March 2021
Seismological Research Letters (2021) 92 (4): 2156–2171.
...Ellen M. Smith; Walter D. Mooney Abstract We conducted a seismic intensity survey in Ecuador, following the 16 April 2016 M w 7.8 Pedernales earthquake, to document the level of damage caused by the earthquake. Our modified Mercalli intensities (MMIs) reach a maximum value of VIII along the coast...
FIGURES | View All (10)
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1946
AAPG Bulletin (1946) 30 (3): 337–347.
... sp. In northwestern Ecuador (Esmeraldas Province), the Callo formation occurs likewise as a very reduced series (approximately 1500 feet), and is made up of basic volcanics and black to dark green sedimentary agglomerates with minor conglomerates, tuffs, sandstones, thin beds of tuffaceous...
FIGURES
Journal Article
Published: 25 January 2017
Seismological Research Letters (2017) 88 (2A): 277–286.
... earthquake. On 16 April 2016 at 23:58:37 UTC, an M w  7.8 thrust earthquake occurred offshore of Ecuador. A maximum modified Mercalli intensity (MMI) of VIII was reported in the cities of Esmeraldas and Pedernales, ∼130 and 170 km, respectively, from the capital Quito, Ecuador (U.S. Geological Survey...
FIGURES | View All (5)
Journal Article
Journal: PALAIOS
Published: 01 March 2011
PALAIOS (2011) 26 (3): 160–172.
... ( Fig. 1A ). The shellbed was described and sampled along a 500-m-long coastal outcrop located at Roca la Barranca, northwest of the town of Súa, in the Esmeraldas province of Ecuador ( Fig. 1B ), during a number of field seasons conducted from 1998 to 2006. The skeletal remains contained within...
FIGURES | View All (6)
Journal Article
Published: 01 July 1958
Bulletin of the Seismological Society of America (1958) 48 (3): 283–286.
... 19, 1958, 14h07m23~ GCT, 1 ~ ° N, 7 9 ~ ° W (USCGS). Magni- tude 7 ~ (Pas), (Berk). 14h43m24s GCT, 1 ~ ° N, 791~° W (USCGS). Magnitude 6 (Pas). The earthquake that rocked northern Ecuador was followed by a tidal wave which caused damage and casualties in the port city of Esmeraldas. Twenty persons...
Journal Article
Published: 18 January 2002
Canadian Journal of Earth Sciences (2002) 39 (1): 27–41.
.... Ragaini L. Valleri G. 1993 . Fossil assemblages from the Pliocene of Onzole Formation (Esmeraldas, NW Ecuador) and their implications in the Panamic bioprovince evolution . Documents du Laboratoire de Geologie du Lyon , 123 : 43 – 58 . Bianucci G. Cantalamessa G. Landini W...
FIGURES | View All (6)
Image
Figure  9 — 1–3 ,  Veprichlamys incantata  ( Hertlein, 1972 ), USNM 812846,...
Published: 01 September 2007
mm; 3 left exterior, scale bar 20 mm. 4, 5 , Veprichlamys onzola ( Olsson, 1964 ): 4 , paratype, USNM 644086, Esmeraldas Formation, Quebrada Camarones, Ecuador, partial right valve, scale bar 20 mm. 5 , Holotype, USNM 644085, left valve, scale bar 20 mm