Effect of thrust faulting on organic maturation in the southeastern Canadian Cordillera

England, T.D.J.; Bustin, R. Marc

doi:10.1016/0146-6380(86)90057-4

Cited by 29 publications

(19 citation statements)

References 5 publications

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“…This trend coincides with higher organic maturity (England and Bustin, 1986;Nurkowski, 1984) and larger compaction (Bell and Bachu, 2004) Figure 11. Crustal stress map of Alberta.…”

Section: Contemporary Stress Field In the Alberta Basinmentioning

confidence: 91%

3-D geomechanical–numerical model of the contemporary crustal stress state in the Alberta Basin (Canada)

Reiter

Heidbach

2014

Solid Earth

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Abstract. In the context of examining the potential usage of safe and sustainable geothermal energy in the Alberta Basin, whether in deep sediments or crystalline rock, the understanding of the in situ stress state is crucial. It is a key challenge to estimate the 3-D stress state at an arbitrarily chosen point in the crust, based on sparsely distributed in situ stress data.To address this challenge, we present a large-scale 3-D geomechanical-numerical model (700 km×1200 km×80 km) from a large portion of the Alberta Basin, to provide a 3-D continuous quantification of the contemporary stress orientations and stress magnitudes. To calibrate the model, we use a large database of in situ stress orientation (321 S Hmax ) as well as stress magnitude data (981 S V , 1720 S hmin and 2 (+11) S Hmax ) from the Alberta Basin. To find the best-fit model, we vary the material properties and primarily the displacement boundary conditions of the model. This study focusses in detail on the statistical calibration procedure, because of the large amount of available data, the diversity of data types, and the importance of the order of data tests.The best-fit model provides the total 3-D stress tensor for nearly the whole Alberta Basin, and allows estimation of stress orientation and stress magnitudes in advance of any well. First-order implications for the well design and configuration of enhanced geothermal systems are revealed. Systematic deviations of the modelled stress from the in situ data are found for stress orientations in the Peace River and the Bow Island Arch as well as for leak-off test magnitudes.

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“…This trend coincides with higher organic maturity (England and Bustin, 1986;Nurkowski, 1984) and larger compaction (Bell and Bachu, 2004) Figure 11. Crustal stress map of Alberta.…”

Section: Contemporary Stress Field In the Alberta Basinmentioning

confidence: 91%

3-D geomechanical–numerical model of the contemporary crustal stress state in the Alberta Basin (Canada)

Reiter

Heidbach

2014

Solid Earth

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“…[34] Finally, the importance of tectonic loading is also documented by England and Bustin [1986a], Kalkreuth and Langenberg [1986], Kalkreuth et al [1989], and Langenberg et al [1998] with clear examples of higher OMRs in some footwall blocks of significant thrusts in the area. We thus conclude that simple correlation to stratigraphic depth, as from organic maturation by sedimentary burial, does not fit with the OMR distribution in these highly imbricated thrust sheet stacks.…”

Section: Signatures Of Tectonic Overburdenmentioning

confidence: 93%

“…Like for the basin, some studies considered that organic maturity ranks in the belt result from peak temperatures from preorogenic sedimentary burial, whereas others have pointed to the effect from thrust sheet loading [Hacquebard and Donaldson, 1974;Hacquebard, 1977;England and Bustin, 1986a]. More recently, fission track and thermokinematic modeling studies [Faure et al, 2004;Hardebol et al, 2007] strengthen renewed burial history appraisal for these structurally complex areas.…”

Section: Previous Work On Overburden and Paleogeothermal Estimatesmentioning

confidence: 99%

Burial and temperature evolution in thrust belt systems: Sedimentary and thrust sheet loading in the SE Canadian Cordillera

Hardebol¹,

Callot

Bertotti

et al. 2009

Tectonics

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[1] The southern Canadian foreland fold-and-thrust belt (FFTB) (SW Alberta -SE British Columbia) records the interplay between foreland basin evolution with the deforming wedge and thus controls the regionalscale overburden and exhumation history. Overburden estimates are typically based on the assumption that peak burials were reached by sedimentary burial prior to the emplacement of thrust sheets. This study combines organic maturity ranks from a newly compiled catalog with forward thermokinematic modeling to examine this assumption. The organic maturity rank trends correlate not only to sedimentary but also to tectonic burial histories. The forward thermokinematic modeling builds on this combined burial history scenario and shows how required peak burial and temperatures can be achieved with reduced sedimentary overburden when combined with tectonic loading. We thus consider that the overburden was reached during instead of prior to the contraction of the FFTB as result of an integrated sedimentary and tectonic burial history. Thermokinematic modeling also suggests that firstorder steady state temperature conditions prevail during the development of the FFTB. Differently from earlier findings that considered a drop in paleotemperature gradient during the belts growth, steady state conditions reduce the amount of regional overburden required and, consequently, of eroded sediments. Besides tracing the regional evolution, organic maturity ranks are also affected by more local phenomena such as thrust-scale denudation patterns and fluid flow. Citation: Hardebol, N. J., J. P. Callot, G. Bertotti, and J. L. Faure (2009), Burial and temperature evolution in thrust belt systems: Sedimentary and thrust sheet loading in the SE Canadian Cordillera, Tectonics, 28, TC3003,

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“…If samples are appropriately gathered, then the change of maximum temperature can be clearly seen within individual nappes and within juxtaposed nappes, as demonstrated in the literature (e.g. Bustin 1983;England & Bustin 1985;Schmidt & Erdogan 1993). Naeser et al 1989).…”

Section: (7) Vitrinite Reflectance Versus Fission-track Studies In Esmentioning

confidence: 96%

“…A series of papers (e.g. Bustin 1983;England & Bustin 1985;Schmidt & Erdogan 1993) demonstrate that reflectance techniques can distinguish individual nappes. Such reflectance trends are clearly recognisable in the Caledonian sequence of the Scandes in the data of Kisch (1980) and Snäll (1988).…”

Section: (1) Vitrinite Reflectance Versus Apatite Fission-track Geothmentioning

confidence: 98%

The Caledonian foreland basin in Scandinavia: Constrained by the thermal maturation of the Alum Shale. A reply

Samuelsson¹,

Middleton²

1999

GFF

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Effect of thrust faulting on organic maturation in the southeastern Canadian Cordillera

Cited by 29 publications

References 5 publications

3-D geomechanical–numerical model of the contemporary crustal stress state in the Alberta Basin (Canada)

3-D geomechanical–numerical model of the contemporary crustal stress state in the Alberta Basin (Canada)

Burial and temperature evolution in thrust belt systems: Sedimentary and thrust sheet loading in the SE Canadian Cordillera

The Caledonian foreland basin in Scandinavia: Constrained by the thermal maturation of the Alum Shale. A reply

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