Vitrinite reflectance distributions and thermal history of sediments: An end-member sensitivity analysis

Horkowitz, Jack; Lerche, I.; Pantano, John

doi:10.1007/bf00897329

Cited by 4 publications

(2 citation statements)

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“…The main observations for elevated HF near the Yarmuk In this paper, temperature data from six new wells is presented which allows to delineate the magnitude and extent of the present HF anomaly. Furthermore, for the same wells, high-resolution maturation data of thick Late Cretaceous source rock is provided as a function of depth, allowing the derivation of paleo HF by applying a forward basin model approach as previously performed by Feinstein (1987), Horkowitz et al (1989), Majorowicz et al (1985), McKenzie (1981), Shaaban et al (2006), Tagiyev et al (1997), Tissot et al (1987). The Current HF are then compared with the modeled paleo-HF derived from source rock maturation data, in attempt to better understand the various possible mechanisms and scenarios for the heat source and thermal history of the region.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, for the same wells, high‐resolution maturation data of thick Late Cretaceous source rock is provided as a function of depth, allowing the derivation of paleo HF by applying a forward basin model approach as previously performed by Feinstein (1987), Horkowitz et al. (1989), Majorowicz et al. (1985), McKenzie (1981), Shaaban et al.…”

Section: Introductionmentioning

confidence: 99%

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Present Heat Flow and Paleo‐Geothermal Anomalies in the Southern Golan Heights, Israel

Reznik

Bartov²

2021

Earth and Space Science

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While present heat flow throughout Israel and the Dead Sea Transform area is considered low, a thermal anomaly exists near the Yarmuk Valley at the southern tip of the Golan Heights. New temperature measurements in the southern Golan Heights show that the distribution of the thermal anomaly is significantly wider than previously thought. The new data conforms to either a local and shallow magmatic chamber, which is in thermal steady state with the surrounding rocks, or to a transient heat front associated with localized Pleistocene magmatic intrusions in the Yarmuk. An alternative mechanism suggests that the present heat flow intensity is higher than the HF value calculated based on the apparent borehole temperatures due to heat removal by deep aquifer flow. A paleo-thermal analysis was performed using high-resolution organic matter maturation profiles on the Late Cretaceous source rocks, across the southern Golan basin. The maturation data show remarkably similar values throughout the basin, indicating a single thermal event led to the source rock maturation. Constraints given by geological considerations have associated the paleo-thermal event with Pliocene volcanic eruptions, which has allowed the calculation of the basin paleo-heat flows, and indicated on a basin wide heat source, such as a crustal heat source. The paleo-thermal event is sharply bounded by a Dead Sea Transform branching fault. This observation is suggested to be related to either strike-slip movement associated with the Dead Sea transform or to heat removal and modulation by a deep hydrological system.

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