References

Determinación del flujo de calor a partir de sondeos petroleros en la Cuenca Catalano-Balear

[ES] En el presente estudio se determina el flujo de calor a partir de datos procedentes de siete sondeos petroleros situados en la Cuenca Catalano-Balear. La información utilizada consiste en diagrafías de sondeo, numerosas muestras litológicas procedentes de ripios y testigos laterales, y datos de temperatura BHT y DST. La variación vertical de la conductividad térmica se ha calculado a partir de la porosidad y de la composición mineralógica de las formaciones. El valor de conductividad térmica media de los sedimentos neógenos de la cuenca es de 2 W m ' K-'. El fuerte contraste de conductividad entre basamento y …

Heat flow measurements in the Eastern Japan Sea during GH93 cruise, in 1994

Terrestrial Heat-Flow in Lake-Superior

Using oceanographic heat-flow techniques, 162 measurements of heat flow were made in Lake Superior during the summers of 1966 and 1967. These data are of high quality, with precisions with respect to intercomparisons typically in the 3-5% range. The data define two very clear features. One is a trough of low heat-flow values, which runs continuously for 650 km along the northern edge of the lake, with values ranging between 0.46 and 0.98 heat-flow units (HFU) (19.2-41.0 mW/m2). This feature correlates with surface exposure of Keweenawan mafic volcanics; it is believed to delineate a major crustal separation associated with the …

Seismic stratigraphy and heat flow of Powell Basin

Heat-flow measurements in the vicinity of the Hayward Fault, California

A summary of deep thermal data from the Cascade Range and analysis of the “rain curtain” effect

Hydrothermal systems of the Cascade Range, north-central Oregon

Tectonics of the offshore Manzanillo and Tecpan basins, Mexican Pacific, from heat flow, bathymetric and seismic data

Separation of the Jalisco Block has been proposed to be the main results of oblique differential subduction of the Rivera and Cocos plates beneath North America and of the interaction between the four plates. Vector analysis of the subduction process of the Rivera and Cocos plates relative to North America results in a N11°E trending strike-slip fault boundary between the oceanic plates (at 4.2 cm/yr). most of the onshore structures are in the range of N30°-40°E and N60°-70°E, as in the Tecpan area (between Zihuatanejo and Acapulco). These results agree with the interoperation of detailed marine geophysical data collected by …

A relationship between cut off depth of seismicity and heat flow in the Central Japan

In situ determination of thermal properties of sediments using a friction-heated probe source

Marine heat flow measurements usually require inserting temperature sensor probes into seafloor sediments. The probe entry displaces the sediments and causes frictional heating along the probe-sediment interface. Since the probe cools at a rate dependent primarily upon the sediment's thermal conductivity and heat capacity, analysis of the cooling data can yield not only ambient equilibrium temperature but also thermal properties. This paper describes a study which simulates the cooling process with a finite element method. Solutions are given for seven model-defining parameters using a least squares nonlinear inversion algorithm. Advective mass-heat transfer is incorporated by introducing a heat partition factor …

Thermal Regime of the Southern Basin and Range Province .1. Heat-Flow Data from Arizona and the Mojave Desert of California and Nevada

With about 150 new heat flow values, more than 200 values of heat flow are now available from the crystalline terranes of southern California, the Basin and Range Province of Arizona, and Paleozoic sedimentary rocks of the southwestern Colorado Plateau (CP). Heat flow ranges from about 5 mW m(-2) on the CP near Flagstaff, Arizona, to more than 150 mW m(-2) in the crystalline rocks bordering the Salton Trough in SE California. The heat flow pattern within this region is complex, although it correlates with regional physiographic and tectonic features. Unlike the adjacent Sierra Nevada Batholith where heat flow is …

Heat flow, gravity and structure of the Abitibi belt, Superior Province, Canada: Implications for mantle heat flow

The results of new heat flow measurements are presented for eleven sites located in the Abitibi greenstone belt of the Archean Superior Province. These new and previously published heat flow data are used with gravity and seismic data to constrain the crustal structure and composition of the Abitibi subprovince, and to determine the mantle heat flow beneath the Canadian Shield. In order to analyze the long-wavelength variations in heat flow and Bouguer gravity anomaly, the crust was divided into three layers with distinctive composition and physical properties. Average density, heat production and thickness for each layer were varied within a …

Heat-Flow in the Bastar Craton, Central Indian Shield - Implications for Thermal-Characteristics of Proterozoic Cratons

Measurements of surface heat flow density in various lithologies from the central parts of the Proterozoic Bastar Craton of the central Indian Shield have yielded heat flow values ranging from 51 to 64 MW m-2, with a mean value of 56 mW m-2 (standard deviation = +/- 6.1 MW m-2). These values are considerably higher than in the Archaean and Archaean to Early Proterozoic cratons of many Precambrian shields, but are compatible with the heat flow data from the Proterozoic Gawler Craton, central Australian Shield. It is inferred that (1) the contrast in surface heat flow between the Archaean and …

Sloj nizkogo geotermicheskogo gradienta v temperaturnyh razrezah Zapadnoj Sibiri (Layer of low geothermal gradient in temperature sections of Western Siberia )

Heat Flow Measurements in the Ayu Trough

Teplovoj rezhim i glubinnaya struktura Srednego Urala (Thermal regime and deep structure of the Middle Urals )

Kinematics and tectonothermal modeling—interpretation of heat flow observed on the Tibetan Plateau

Thirteen heat flow values along a N-S profile are employed as surface constraints on a tectonothermal model of the Tibetan Plateau. The modeling demonstrates 40 Ma of crust-mantle temperature-history, since the India-Eurasia collision. The main emphasis in this paper is put on the fact that a series of heat-generating and heat-absorbing processes such as enhancement of radiogenic heating, strain- and friction-heating, partial melting etc., were induced by tectonic deformations of the lithosphere. On this basis, equations defining terrane deformations in forms of shortening, thickening, extension, uplift and erosion were deduced using the principles of plate kinematics and 3-D mass balance. …

Regime termico e processi magmatici nel Tirreno meridionale

Can differences in heat flow between east and southern Africa be easily interpreted?: Implications for understanding regional variability in continental heat flow

We address the extent to which regional variations in continental heat flow can be interpreted, making use of a heat flow data set from east and southern Africa. The first-order observation deriving from these heat flow measurements is a common pattern characterized in both regions by low heat flow in Archean cratons and higher heat flow in younger mobile belts. Two regional differences between east and southern Africa are superimposed on this common heat flow pattern: (1) heat flow in the Tanzania Craton is about 13 mW m−2 lower than in the Kalahari Craton, and (2) heat flow in the …

First heat flow density determinations from Southeastern Zaïre (Central Africa)

First heat flow density determinations from southeastern Zaïre are presented. Sites are located in the late Proterozoic metasedimentary cover of the Pan-African belt (600 Ma.). For each individual boreholes, heat flow ranges between 48 and 72 mWm−2. The average value of 62 mW m−2 for the sites is similar to that of 66 mW m−2 observed in Zambia. Both values are higher than what is expected for Pan-African terranes. These heat flow determinations in Shaba province of southeastern Zaïre, together with gravity and seismological observations, support the hypothesis of lithospheric thinning for this area. As already suggested for Zambia, this …