1-7 OF 7 RESULTS FOR

Saraguro Group

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
Journal: Economic Geology
Published: 01 November 2010
Economic Geology (2010) 105 (7): 1243–1270.
... ). While southern Ecuador (south of 2°30′ S latitude) is mostly characterized by subaerial continental arc magmatism throughout the Tertiary (with the Saraguro Group forming the most prominent outcrop unit; e.g., Hungerbühler et al., 2002 ), early Tertiary magmatism in north-central Ecuador began...
FIGURES | View All (12)
Journal Article
Journal: Economic Geology
Published: 01 September 2004
Economic Geology (2004) 99 (6): 1085–1106.
.../Group Age Terrane Coordinates             E94018 Porphyritic granite Tertiary intrusion Tertiary Alao 78°50'W, 3°05'S E94025 Tuff Saraguro Tertiary Alao 79°00'W, 3°05'S E94020 Andesite Saraguro Tertiary Alao 78°50'W, 3°05'S E94035 Basaltic...
FIGURES | View All (10)
Journal Article
Published: 01 September 2002
Journal of the Geological Society (2002) 159 (5): 577–594.
... & Bermudez 1997 ; McCourt et al . 1997 ). The progressive closure of this basin culminated in the accretion of the Macuchi Arc during Late Eocene time, and led to both the local deformation of the older (Eocene) volcanic rocks of the Saraguro Group in the south and also to a hiatus in Saraguro volcanism...
FIGURES | View All (6)
Journal Article
Journal: SEG Discovery
Published: 01 April 2002
SEG Discovery (2002) (49): 1–14.
... stress field. The mining camp is hosted by intrusions and mafic to intermediate volcanic rocks that constitute the Portovelo Unit of the Saraguro Group ( Pratt et al., 1997 ). Billingsley (1926) subdivided the monotonous volcanic pile in the Portovelo-Zaruma area into three units. The lowest...
FIGURES | View All (6)
Journal Article
Journal: GSA Bulletin
Published: 15 December 2022
GSA Bulletin (2023) 135 (7-8): 2141–2154.
... have influenced the arc development. Figure 1. Geodynamic sketch of the southernmost Northern Andes. AM—Amotapes Massif; EC—Eastern Cordillera; CC—Coastal Cordillera; WC—Western Cordillera. Abbreviations for detrital samples are as follows: AF—Azúcar Formation; AG—Ancón Group; AW—Amistad Well...
FIGURES | View All (7)
Journal Article
Journal: SEG Discovery
Published: 01 April 2002
SEG Discovery (2002) (49): 1–48.
... sions and mafic to intermediate vol­ Portovelo area may have resulted from gate zone orientated subparallel to the canic rocks that constitute the Portovelo intrusion into flat-lying fractures. Pifias fault. These metamorphic rocks Unit of the Saraguro Group (Pratt et al., show that the Pifias fault...
Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP328.20
EISBN: 9781862395763
... referred to in the text is available in the online supplementary material. Fig. 3. Simplified terrane map of the Northern Andes. Analysis of terrane affinity suggests four major groupings from east to west: (1) para-autochthonous to allochthonous continental margin fragments; (2) ‘Caribbean Arc...
FIGURES | View All (20)