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Geophysics

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Analytic Facilities & Preparation Lab

For complex geodynamic questions we use a wide variety of analytical methods and procedures. Some of the analytic equipment is located in our group, others are operated in cooperation with GFZ sections, e.g. the laboratory for thin-section preparati…
ArchKalmag14k - Correlation based model of the holocene core field, based on archeomagnetic and volcanic data

Correlation based geomagnetic field model of the holocene core field, based on archeomagnetic and volcanic data. ArchKalmag14k is constructed using methods from Bayesian statistics, in particular Gaussian processes and the Kalman filter, to reflect …
Declination Calculator for the International Geomagnetic Reference Field IGRF

The declination calculator provides declination values for any location on Earth and any time between 1900 and 2025. The calculation is based on the International Geomagentic Reference Field (IGRF) which describes the geomagnetic core field. The cal…
Experimental Simulation of Reservoir Processes (LARS)

LARS is large volume experimental apparatus for the investigation of anthropogenic induces and natural occurring reservoir processes under simulated in situ conditions in the lab. The sediment sample has a diameter of 0.45m and a length of 1.35m. Th…
FLECAS-HT

FLECAS-HT is a unique flow-through system enabling the simultaneous measurement of permeability and electrical resistivity (co-axial 4-electrode arrangement) on rock cylinders with a diameter of 30 mm and a length of 75 mm at temperatures of up to 5…
Fiber-optic Sensing

Optical fibers are well suited for deployment in boreholes as they can tolerate harsh environments, i.e. high pressures and temperatures, or strongly corrosive media, and are immune to electromagnetic interference.

The following devices are ava…
Field Laboratory Experimental Core Analysis System

FLECAS was designed as versatile and transportable core analysis system for the investigation of consolidated and unconsolidated rocks under reservoir temperature and pressure conditions. It comprises a measuring setup for the measurement of porosit…
Fluid Monitoring Lab

The lab contains devices that can be used to monitor chemical and physicochemical parameters in natural and synthetic geothermal fluids. For instance,

*Fluid-Monitoring System „FluMo“*

A versatile fluid-chemical monitoring unit (“FluMo”) has…
GEOMAGIA50 – Paleomagnetic and Chronological Data for the Past 50 Ka

The GEOMAGIA50 database is an international collaboration to provide easy access to published archeomagnetic/volcanic and sediment paleomagnetic and chronological data for the past 50,000 years. GEOMAGIA50 has been funded by the US National Science …
GFZ-Underground-Lab “Reiche Zeche” in Freiberg

The use of high-resolution geophysical exploration systems, developed by the HGZ Helmholtz Centre for Geosciences, for underground applications at tunneling and within boreholes requires a high demand due to safety and operational reliability. The G…
GGF100k - Model that covers the past 100.000 years and it is the longest global reconstruction of the geomagnetic field

GGF100k is a global geomagnetic field model covering the past 100,000 years. It is the first model that provides a global view of the geomagnetic field evolution over an extended period. The model is based on an extensive global dataset of over 100 …
GONAF - Geophysical Observatory at The North Anatolian Fault

GONAF (Geophysical Observatory at the North Anatolian Fault) is a combined surface and downhole based observatory to measure tectonic deformation transients (seismic and aseismic) along the overdue Marmara segment of the North Anatolian Fault Zone (…
Geomagnetic Observatory Niemegk (NGK)

The Adolf-Schmidt-Observatory for Geomagnetism in Niemegk is operated by GFZ since 1992. It belongs to [Section 2.3, Geomagnetism](https://www.gfz.de/en/section/geomagnetism/overview). The observatory is located 50km SW of Potsdam. Since 1930 it con…
Geomagnetic Observatory St. Helena (SHE)

The Geomagnetic Observatory St. Helena (SHE) was set up in 2007 and is operated by GFZ. Data from 2010 onward is also available at INTERMAGNET.
Geothermal Research Platform Groß Schönebeck

The Groß Schönebeck geothermal research platform is located 50 kilometres north-east of Berlin on the southern edge of the North German Basin. Two research wells open up horizons at depths of between 3.9 and 4.4 kilometres at temperatures of around …
HelTec - Laboratory for experimental tectonics at the GFZ Helmholtz Centre for Geosciences

Experimental tectonics is the branch of geosciences that uses so-called "analogue models" scaled down from nature to the laboratory to study tectonic processes *in situ*. Thanks to new materials, testing methods and monitoring techniques, which have…
High-Temperature Fluid Measuring Cell

The High-Temperature Fluid Measuring Cell is a flow-through device that allows to measure the electrical conductivity of highly corrosive aqueous fluids in dependence of pressure and temperature. So far, the facility was used to study geothermal hig…
ICDP International Continental Scientific Drilling Programme

The International Continental Scientific Drilling Program (ICDP) is a multinational program to further and fund geosciences in the field of Continental Scientific Drilling. Scientific drilling is a critical tool in understanding of Earth processes a…
IPOC - Integrated Plate Boundary Observatory Chile

IPOC is an international network of institutions and scientists organising and operating a distributed system of instruments and projects dedicated to the study of the subduction system, its role in landscape evolution, and associated geohazards at …
KTB - German Continental Scientific Deep Drilling Programme In Windischeschenbach, Germany (Kontinentale Tiefbohrung)

The Continental Deep Drilling Program of Germany (in German: Kontinentales Tiefbohrprogramm der Bundesrepublik Deutschland, abbreviated as KTB) was a scientific drilling project near the town of Windischeschenbach, Bavaria. The KTB Depth Laboratory …
LSMOD Models - Models for the periode of 30 to 50 kyrs that contain the Laschamp and Mono Lake field excursions

Geomagnetic field models for the periode of 30 to 50 kyrs that contain the Laschamp and Mono Lake field excursions. The LSMOD models (current version LSMOD.2) represent the global evolution of the geomagnetic field for the time interval 50 to 30 ka.…
Laboratory Geoelectrics and Optoelectronics

The devices for geoelectric measurements include various tools such as a GeoTom, resistivity probes, non-polarizable probes and electrode cables of various lengths for surface and downhole application. A sandbox model (diameter and height 0.6 m) is …
Laboratory for Earth Magnetism in Time and Space

This laboratory deals with magnetostratigraphic dating of paleoclimate archives and the reconstruction of geomagnetic field variation in the geological past, as well as with analyses of magnetic minerals.

Therefore, intensity and directions of se…
Laboratory for Experimental Rock Physics

The focus of our research work results from the increasing use of underground space for geothermal energy extraction/storage and geological gas storage (CO₂, H₂). This requires not only the determination of petrophysical target parameters, but also …
Laboratory for Fluid Chemistry

In the laboratory for fluid chemistry, various devices are used to determine the chemical properties of geothermal fluids.
Laboratory for Fluid Physics

In the laboratory for fluid physics, various devices are used to determine the properties of geothermal fluids: density, viscosity, electrical conductivity, thermal conductivity, heat capacity, sonic velocity.
Mag.num - Model of the geomagnetic core field, based on satellite and observatory data

Mag.num models are the series of recent GFZ high-precision geomagnetic core field models that rely on satellite magnetic field measurements, in particular on calibrated Swarm and CHAMP vector field and ground observatory data. The coefficients of th…
MuSPIS - Multiple Sample Production and Injection Simulator

The experimental task is to realize controlled long-term investigations on the permeability evolution of sedimentary rocks at simulated pressure- and temperature conditions pertinent to geothermal reservoirs.

Therefore, the investigations are p…
OSG ICDP | Operational Support Group of the International Continental Scientific Drilling Program

The Operational Support Group of the International Continental Scientific Drilling Program, ICDP, situated at GFZ, provides downhole logging services and access to utilize the ICDP instrument pool for PIs of successful ICDP proposals. ICDP is a prop…
Permeameter

One of the most important reservoir parameters is the permeability, which defines the ability of a liquid to flow through a porous medium. In our laboratories, we have various setups available to determine the permeability at different pT conditions…
Rock Deformation Laboratory -

*Polyaxial High-pressure Test System (TrueTriax)*

The grant from the Investment Bank of the State of Brandenburg (ILB No. 85053766) enabled the acquisition of a high-pressure, high-temperature 3D True Triaxial Press facility at the GFZ, which is …
SHEEC - the SHARE European Earthquake Catalogue 1900-2006

The SHARE European Earthquake Catalogue (SHEEC) 1900-2006 has been compiled by GFZ Potsdam in the frame of an independant project and represents a temporal and spatial excerpt of "The European-Mediterranean Earthquake Catalogue" (EMEC) for the last …
System for Experimental Petrophysics - SEPP

Measuring the physical properties of rocks under simulated _in situ_ conditions in the laboratory is crucial for a comprehensive characterization of natural geological reservoirs. The long-term flow-through apparatus SEPP consists of a total of 6 te…
The KTB Deep Crustal Lab

During the KTB project (1987-1995) two deep boreholes were drilled, the so-called pilot hole (KTB-VB, 4 km) and the ultra deep main hole (KTB-HB, 9.1 km). Both wells are nearly completely cased. The VB is accessible to nearly bottom hole. At KTB is …
Thermal Petrophysics Lab

The Thermal Petrophysics Laboratory offers a wide range of measurement methods, primarily for determining the thermal properties of rocks and minerals.

In addition, mineralogical and other petrophysical parameters can be determined. The following…
WSM - World Stress Map Project

The World Stress Map (WSM) is a global compilation of information on the crustal present-day stress field maintained since 2009 at the GFZ Helmholtz Centre for Geosciences (Section 2.6 Seismic Hazard and Risk Dynamics). It is a collaborative project…
WSM CASMO - Create A Stress Map online

CASMO is the online interface to produce user-specific stress maps from the WSM database release along with your own stress data records. The stress maps will be provided for download in high quality (postscript, jpg, png or pdf file format) as a co…
mDIS – mobile Drilling Information System

The mobile Drilling Information System (mDIS) is a database management application developed and provided by the International Continental Scientific Drilling Program (ICDP) for capturing and curating metadata on geological cores and samples, drilli…