Projects
Diffusion in common mineral phases. Part 3: Chain silicates: pyroxene and amphibole (sub-project TP1 of the Research Unit 2881: Diffusion Chronometry of magmatic systems)
Holtz, F. (Principal Investigator)
1 Aug 2024 → 31 Jul 2027
Project: Research
Large Scale Artificial Intelligence Augmented Mineral Analysis (LS-MAIner) – characterization of volcanic rocks for diffusion chronometry (sub-project TP8 of the Research Unit 2881: Diffusion Chronometry of magmatic systems)
Sester, M. (Principal Investigator), Almeev, R. (Principal Investigator), Holtz, F. (Co-Investigator) & Leichter, A. (Project staff)
1 Apr 2024 → 31 Mar 2027
Project: Research
Deciphering the metal stable isotope record of Sn-W ore deposits: a complementary approach based on experiments and case studies (project in the Priority Programme 2238: Dynamics of Ore-Metals Enrichment (DOME))
Weyer, S. (Principal Investigator) & Holtz, F. (Co-Investigator)
1 Dec 2023 → 30 Nov 2026
Project: Research
The ferric/ferrous ratio in silicic melts: experimental investigation and modelling
Almeev, R. (Principal Investigator), Behrens, H. (Co-Investigator) & Holtz, F. (Co-Investigator)
1 Jun 2023 → 31 May 2024
Project: Research
Determination of ferric-ferrous ratio in natural glasses by microprobe: application of the flank method for determination of the redox state of basalts from mid-oceanic ridges, oceanic islands, oceanic plateaus and island arcs (project in the Priority Programme 527: Bereich Infrastruktur - "International Ocean Discovery Program" (IODP))
Almeev, R. (Principal Investigator) & Holtz, F. (Co-Investigator)
1 Jan 2023 → 31 Dec 2025
Project: Research
ICDP: Priority Programme 1006: International Continental Scientific Drilling Program (Coordination funds)
Holtz, F. (Principal Investigator)
1 Aug 2022 → 31 Jul 2025
Project: Research
Amphibole: a mineral to unravel magma storage and timescales of sub-volcanic processes and eruptions
Holtz, F. (Principal Investigator) & Ridolfi, F. (Principal Investigator)
1 May 2022 → 30 Apr 2024
Project: Research
Izu-Bonin-Mariana boninites - natural laboratory to study mantle melting and the evolution of magma plumbing systems in early stages of subduction (project in the Priority Programme 527: Ocean Drilling Program/Deep Sea Drilling Project)
Almeev, R. (Principal Investigator), Holtz, F. (Co-Investigator) & Koepke, J. (Co-Investigator)
1 Nov 2021 → 31 Oct 2024
Project: Research
Magma Reservoire und Differenzierung der mafischen Magmen der Snake River Plain Provinz (Yellowstone-Hotspot, USA): Beitrag aus der Ananlyse von Kristallen und Schmelzeinschlüssen in basaltischen Laven des Kimama-Bohrkerns (project in the Priority Programme 1006: International Continental Drilling Program (ICDP))
Holtz, F. (Principal Investigator)
1 Jul 2021 → 30 Jun 2024
Project: Research
Spectroscopic mineral - chemical analysis of drill cores: Development of fast 2D LIBS, EDXRF and hyperspectral scanning with application to outstanding problems of the Bushveld Complex layered intrusion (project in the Priority Programme 1006: International Continental Scientific Drilling Program (ICDP))
Holtz, F. (Principal Investigator)
1 Jul 2021 → 30 Sept 2024
Project: Research
Rare-metal enrichment in carbonatite-bearing magmatic systems: Part B. Understanding the role of fractional crystallization and liquid immiscibility by experimental simulations of silicate-carbonatite systems (project in the Priority Programme 2238: Dynamics of Ore-Metals Enrichment (DOME))
Holtz, F. (Principal Investigator)
1 May 2021 → 30 Apr 2024
Project: Research
Understanding the crust-mantle transition from fast-spreading mid-ocean ridges: experiments and analytical studies using ICDP OmanDP drill core samples (project in the Priority Programme 1006: International Continental Drilling Program (ICDP))
Holtz, F. (Principal Investigator) & Koepke, J. (Principal Investigator)
1 May 2021 → 30 Apr 2024
Project: Research
Transport and enrichment of tungsten and tin in melts and fluids at magmatic-hydrothermal stages: experimental approach and application to the Argemela district (Portugal) (project in the Priority Programme 2238: Dynamics of Ore-Metals Enrichment (DOME))
Holtz, F. (Principal Investigator)
1 Jan 2021 → 31 Dec 2023
Project: Research
Phase stability fields in calc-alkaline magmatic systems and textural evolution of crystalline aggregates (sub-project TP4 of the Research Unit 2881: Diffusion Chronometry of magmatic systems)
Holtz, F. (Principal Investigator)
1 Nov 2020 → 31 May 2024
Project: Research
Rare-metal enrichment in carbonatite-bearing magmatic systems: Part A: Understanding magmatic evolution and enrichment processes in time by high-precision dating and inclusion studies (project in the Priority Programme 2238: Dynamics of Ore-Metals Enrichment (DOME))
Holtz, F. (Principal Investigator)
1 Aug 2020 → 30 Jun 2024
Project: Research
Carbon recycling by arc magmatism: an assessment from experimentally homogenized melt inclusions in olivine
Holtz, F. (Principal Investigator)
1 Mar 2020 → 31 Mar 2025
Project: Research
Elektronenstrahlmikrosonde
Holtz, F. (Principal Investigator)
30 Jan 2020 → 30 Jun 2021
Project: Research
Magmatic volatiles and ore metals released from intraoceanic arc magmas: constraints from high pressure experiments and melt inclusions for Brothers volcano, Kermadec arc (project in the Priority Programme 527: International Ocean Discovery Program)
Holtz, F. (Principal Investigator)
1 Jan 2020 → 31 Aug 2023
Project: Research
Understanding felsic veins in gabbros drilled by IODP at Atlantis Bank (Southwest Indian Ridge): Formation, metamorphism, and their role as multifunctional pathways for fluid and mass transfer (project in the Priority Programme 527: Bereich Infrastruktur - Integrated Ocean Drilling Program/Ocean Drilling Program (IODP/ODP))
Koepke, J. (Principal Investigator) & Holtz, F. (Co-Investigator)
1 Nov 2018 → 30 Sept 2022
Project: Research
Formation of monomineralic Fe-Ti oxide ores in the high-Ti ferrobasaltic system: A case study in Emeishan, China
Holtz, F. (Principal Investigator)
1 Jul 2018 → 31 Dec 2021
Project: Research