Permeability of the continental crust: Implications of geothermal data and metamorphic systems

CE Manning, SE Ingebritsen - Reviews of Geophysics, 1999 - Wiley Online Library
In the upper crust, where hydraulic gradients are typically< 1 MPa km− 1, advective heat
transport is often effective for permeabilities k≥ 10− 16 m² and advective mass (solute) …

The German continental deep drilling program KTB: overview and major results

R Emmermann, J Lauterjung - Journal of Geophysical …, 1997 - Wiley Online Library
The German Continental Deep Drilling Program (KTB) was designed to study the properties
and processes of the deeper continental crust by means of superdeep borehole. Major …

Heat production and geotherms for the continental lithosphere

D Hasterok, DS Chapman - Earth and Planetary Science Letters, 2011 - Elsevier
We propose a continental lithosphere heat production model based on the petrology of crust
and mantle, heat production measurements of surface and xenolith samples, and tectono …

Past temperatures directly from the Greenland ice sheet

D Dahl-Jensen, K Mosegaard, N Gundestrup, GD Clow… - Science, 1998 - science.org
A Monte Carlo inverse method has been used on the temperature profiles measured down
through the Greenland Ice Core Project (GRIP) borehole, at the summit of the Greenland Ice …

Estimation of the complete stress tensor to 8 km depth in the KTB scientific drill holes: Implications for crustal strength

M Brudy, MD Zoback, K Fuchs… - Journal of …, 1997 - Wiley Online Library
For many years, in situ stress in the brittle crust has been measured at relatively shallow
depth and related to the mechanical behavior of the crust as inferred from laboratory studies …

Injection‐induced earthquakes and crustal stress at 9 km depth at the KTB deep drilling site, Germany

MD Zoback, HP Harjes - Journal of Geophysical Research …, 1997 - Wiley Online Library
A fluid injection‐induced seismicity experiment was conducted in the German Continental
Deep Drilling Program (KTB) main borehole at 9.1 km depth (in situ temperature of 260° C) …

[PDF][PDF] 7.06-temperatures, heat and energy in the mantle of the earth

C Jaupart, S Labrosse, F Lucazeau… - Treatise on …, 2007 - researchgate.net
Even a cursory historical look at the development of geology reveals that the cooling of the
Earth has always been a central issue (Birch, 1965; Fourier, 1824; Holmes, 1915; Joly …

Determination of heat transfer representative element volume and three-dimensional thermal conductivity tensor of fractured rock masses

ZW Li, CY Huang, HX Wang, SC Xing, MC Long… - International Journal of …, 2023 - Elsevier
The natural fracture system exerts a significant influence on the physical and mechanical
properties of rock masses. The heat transfer in fractured rock masses is much more …

Zircon (U–Th)/He thermochronometry in the KTB drill hole, Germany, and its implications for bulk He diffusion kinetics in zircon

MR Wolfe, DF Stockli - Earth and Planetary Science Letters, 2010 - Elsevier
This study presents new down-hole zircon (U–Th)/He (ZrHe) ages, laboratory He diffusion
measurements, and numerical thermal modeling of ZrHe ages from the Continental Deep …

The thermal structure and thickness of continental roots

C Jaupart, JC Mareschal - Developments in Geotectonics, 1999 - Elsevier
We compare heat flow data from the Precambrian shields in North America and in South
Africa. We also review data available in other less well-sampled Shield regions. Variations …