Devonian plants from Colombia, with discussion of their 
geological and palaeogeographical context

Berry, Christopher Mark; Morel, Eduardo Manuel; Mojica, Jairo; Villarroel, Carlos

doi:10.1017/s0016756800003964

Cited by 51 publications

(29 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Although not as well documented as that from Laurussia, the record of archaeopterids from the Late Devonian of Gondwana is not insignificant, with reports of compressed leafy branches and permineralized wood from Africa (Anderson et al 1995;Meyer-Berthaud et al 2000, 2004, South America (Berry et al 2000) and Australia. In Australia, the presence of Archaeopteris has been recorded from several localities of Late Devonian age from Victoria (Talent et al 2000).…”

Section: Famennian-mississippian Evolution Of Taxic Diversitymentioning

confidence: 87%

Transitional changes in arborescent lignophytes at the Devonian–Carboniferous boundary

Decombeix

Meyer‐Berthaud

Galtier

2011

JGS

View full text Add to dashboard Cite

It is usually considered that after the extinction of the Devonian tree Archaeopteris, no new arborescent lignophytes were established before the late Tournaisian. A reassessment of this pattern is presented here based on a three-fold approach: a re-evaluation of the taxic diversity of Tournaisian lignophyte trees based on descriptions of new plants from palaeotropical latitudes, a study of the patterns of phenotypic changes occurring among early lignophytes using a principal coordinate analysis and a phylogenetic analysis of the affinities of the arborescent taxa. The best supported results indicate that a substantial taxonomic and phenotypic diversity of arborescent lignophytes was already established in the first part of the Tournaisian, including some taxa that persisted until the Serpukhovian. Two genera may have originated in the Late Devonian and crossed the Devonian-Carboniferous boundary. Fewer originations and a decrease in phenotypic diversity occurred in the Viséan. The phenotypic distinctiveness of tree stems compared with those of other growth forms in the lignophytes is assessed. We propose a scenario in which the presence of lignophyte trees is continuous across the Devonian-Carboniferous boundary, with arborescent taxa distinct from Archaeopteris already present in the latest Devonian, possibly in upland floras, and diversifying significantly soon after the Devonian-Carboniferous boundary.

show abstract

Section: Famennian-mississippian Evolution Of Taxic Diversitymentioning

confidence: 87%

Transitional changes in arborescent lignophytes at the Devonian–Carboniferous boundary

Decombeix

Meyer‐Berthaud

Galtier

2011

JGS

View full text Add to dashboard Cite

show abstract

“…Isolated exposures of granite in the Colombian Eastern Cordillera record a Cambrian-Ordovician magmatic event and inheritance of Mesoproterozoic zircons (Horton et al, 2010b). Devonian-Carboniferous strata in the Eastern Cordillera may have been deposited as the result of upper-crustal deformation (Janvier and Villarroel, 1998;Berry et al, 2000;Janvier and Villarroel, 2000;Cediel et al, 2003;Kammer and Sanchez, 2006). However, on May 25, 2012 gsabulletin.gsapubs.org Downloaded from the majority of these strata lack post-Silurian zircons (Horton et al, 2010b), indicating a paucity of crustal magmatism associated with this hypoth esized orogenic event.…”

Section: Northern Andean Geologic Historymentioning

confidence: 99%

Discriminating rapid exhumation from syndepositional volcanism using detrital zircon double dating: Implications for the tectonic history of the Eastern Cordillera, Colombia

Saylor

Stöckli

Horton

et al. 2012

Geological Society of America Bulletin

110

View full text Add to dashboard Cite

Lag time is the difference between the closure age of a thermochronologic system and the depositional age of host strata. Lag-time analysis of sedimentary basin fi ll provides insight into the exhumation history of adjacent eroded orogens. In a case study of the Paleogene Floresta basin in the Eastern Cordillera fold-thrust belt of Colombia, variations in lag time refl ect changes in both sediment source areas and exhumation patterns. However, near-zero lag times can be produced by either syndepositional volcanism or rapid exhumation. We applied U-Pb geochronology and (U-Th)/He (ZHe) thermochronology to individual zircon grains and identifi ed zircons of volcanic origin as those for which the U-Pb age is within the 2σ uncertainty of their ZHe age. Consistent discrimination of young ZHe ages as the products of either rapid exhumation or volcanism reveals three stages in the history of the northern Andean hinterland. (1) Early to late Paleocene: The appearance of syndepositional and Mesozoic volcanic zircons marks the initial infl ux of magmatic arc detritus. (2) Middle to late Eocene: Near-zero lag times point to rapid, regionally extensive exhumation attributable to thrust-induced uplift of the Magdalena Valley basement. (3) Late Eocene to late Oligocene: Increased lag time is interpreted as recycling of shallowly buried foreland-basin strata possibly due to movement on basinbounding thrust systems. The presence of volcanic zircons with ZHe ages younger than or indistinguishable from the youngest exhumationally cooled zircons underscores the need for double dating to reliably identify volcanic infl uence in detrital thermochronology datasets. These data highlight the utility of double-dated ZHe results for extracting tectonic histories and reliably excluding volcanic zircons from lag-time analysis.

show abstract

“…Berry et al 2000;Cingolani et al 2002;Edwards et al 2001a, b;Gerrienne et al 2001;Di Pasquo et al 2009). However, occurrences of Devonian plants in Chile have not yet been documented in detail.…”

Section: Introductionmentioning

confidence: 99%

Lycopsids from the Upper Devonian of northern Chile with remarks on the geographical distribution of the morphogenus Haplostigma Seward

2011

View full text Add to dashboard Cite

We here present the first systematic description of Devonian plant fossils from Chile. The material was collected from the Upper Devonian El Toco Formation in the Coastal Cordillera of northern Chile. Plant fossils occur as impressions of lycopsid axes in marine turbiditic greywacke beds and comprise Haplostigma furquei (Frenguelli) Gutiérrez, Malanzania cf. nana Archangelsky, Azcuy and Wagner, and further unidentifiable remains. The biostratigraphic ranges of these taxa agree well with previous age assessments for this sequence, based on conodonts and radiometric data. Haplostigma was widely distributed in the middle-to-high latitude, cool-temperate biome of southern Gondwana, providing further evidence that Middle to Late Devonian extra-tropical floras of Gondwana were dominated by low-diversity associations of herbaceous lycopsids.

show abstract

Devonian plants from Colombia, with discussion of their geological and palaeogeographical context

Cited by 51 publications

References 27 publications

Transitional changes in arborescent lignophytes at the Devonian–Carboniferous boundary

Transitional changes in arborescent lignophytes at the Devonian–Carboniferous boundary

Discriminating rapid exhumation from syndepositional volcanism using detrital zircon double dating: Implications for the tectonic history of the Eastern Cordillera, Colombia

Lycopsids from the Upper Devonian of northern Chile with remarks on the geographical distribution of the morphogenus Haplostigma Seward

Contact Info

Product

Resources

About