John Maclennan

Name:	John Maclennan
Affiliation:	University of Cambridge
E-mail:	(only provided to users who are logged into talks.cam)
Last login:	Thu Nov 08 16:00:26 +0000 2018

Public lists managed by John Maclennan

• Department of Earth Sciences Seminars (downtown)

Talks given by John Maclennan

Obviously this only lists talks that are listed through talks.cam. Furthermore, this facility only works if the speaker's e-mail was specified in a talk. Most talks have not done this.

• Volcanic Crystal Clocks and CO2: Transforming our Prospects for Predicting Huge Eruptions

Talks organised by John Maclennan

This list is based on what was entered into the 'organiser' field in a talk. It may not mean that John Maclennan actually organised the talk, they may have been responsible only for entering the talk into the talks.cam system.

• The metamorphic rock record: insights from eclogites
• Working with Natural Hazards: Perspectives from a Catastrophe Modelling Company
• Relamination, delamination and tadpole zones: Formation of lower continental crust by density sorting of buoyant arc lavas and plutons
• Melt transport in the mantle: constraints from field observations and ideas for future work
• Tectonic pulsing, climate cycles and contourites: drilling results from IODP Expedition 339
• One of the many relationships between mantle petrology and atmospheric chemistry: The case of nitrogen.
• Himalaya: from mountains to drilling in the Bengal fan
• Principles of triple oxygen isotope geochemistry
• Chilean Volcanoes constrain global models of convergent margin volcanism
• The interplay between brittle and ductile processes at oceanic transform faults
• Constraining sediment routing system responses to tectonics and climate
• Greenhouse-icehouse shifts and the evolution of latitudinal diversity gradients
• Searching for Bird Origins in the Gobi Desert of China; The Middle-Upper Jurassic Shishugou Fauna of Xinjiang
• Ophiolite paradoxes
• Rift initiation in a continental setting: the western Balkan peridotites
• Environmental effects of sulfur emitted by large-scale flood lava eruptions
• The composition of the lower mantle and its influence on the redox state of the Earth
• The chalcophile (sulfur-loving) cycle: from MORB to crust
• Greenhouse Algae: The Calcifying Phytoplankton during Cenozoic Warm Climates
• Detachment-mode seafloor spreading and the tectonics of oceanic core complexes
• A Dual Rift Model for the Opening of the NE Atlantic
• Chasing waterfalls: constraining the global sulfur isotopic budget in rivers
• Reservoir architectures of flood basalt systems - a 3D Reservoir architectures of interlava systems - a 3D photogrammetric study of Eocene cliff sections, Faroe Islands
• QDG WEDNESDAY SPECIAL - Top-down and bottom-up evidence for the early anthropogenic hypothesis
• Copper isotopes and the role of sulfides during Earth’s differentiation
• Fast Crystal Clocks, at the Speed of Magma Ascent
• The application of X-ray computed microtomography to Geosciences: examples from the world of Volcanology and Petrology
• Hydrated peridotite as a sink for boron: implications for mantle heterogeneity and arc volcanism
• The Frasnian-Famennian Mass Extinction
• Title to be confirmed
• Atmospheres and Interiors of Extrasolar Planets
• Sea ice in a Cretaceous greenhouse world?
• Ni partitioning between olivine and silicate melts, and insights into Hawaiian petrogenesis
• Magma intrusive rates and the growth of melt reservoirs and magma chambers
• Effects of source heterogeneity on segmentation and melt production at mid-ocean ridges
• Why don't tomographic models have error bars?
• Challenges in constraining and understanding Strombolian (and Hawaiian) volcanism
• Magma ocean Influence on early atmosphere composition and mass
• Seismic Tremors and Wagging Magma: Key Precursors of Explosive Volcanism?
• Clumped-isotope geochemistry of carbonates: A new tool to study geological processes from palaeoclimatology to low-grade metamorphism
• (U-Th)/He dating of secondary Fe- and Mn-oxides in bedrock
• In the footsteps of Professor Lidenbrock: a geochemical journey to the centre of the Earth
• Walking on broken glass: investigating magmatic processes in explosive and effusive rhyolitic eruptions
• Title to be confirmed
• The source of siderophile elements in the silicate Earth – clues from the Archean rock record
• The origin of a phylum: soft-bodied fossils and early mollusc evolution
• Stable vanadium isotope fractionation at high temperatures: a proxy for oxygen fugacity?
• Fingerprints of past carbon cycle-climate changes in the Bern3D model
• Orogenesis - CO2 source or sink? Insight from quantification of fossil organic carbon weathering rates in Taiwan
• Life and times in the Cambrian and its stratigraphic constraints on Himalayan geology, tectonics, and uplift history
• Magma chamber processes in ferrobasaltic layered intrusions
• Geological Histories of Earth and Mars
• The eve of biomineralisation
• SCALING LAWS FOR AGGRADATION AND PROGRADATION OF THE STRATIGRAPHIC RECORD
• Title to be confirmed
• Intrusive LIPs: Petrological Interpretation of Deep Crustal Cumulate Bodies beneath Oceanic Hotspot Provinces
• Ocean turbulence, fronts, and the timing of the spring phytoplankton bloom
• The orbital pacing of Palaeogene hyperthermals - can we believe model results?
• NOTE TIME! 1-2pm! Cryptic Neoproterozoic mountain building events around the margin of Rodinia
• Under the geological rug: The fluid dynamics of CO2 sequestration
• Bubbles and Bangs: Volatile Controls on Magma Fragmentation
• The capture of the Tsangpo by the Brahmuputra River and rapid exhumation of the Namche Barwa eastern syntaxis of the Himalaya: testing the erosion-tectonic feedback hypothesis by new provenance methods using rutile and zircon U-Pb in situ dating, and im
• Silicate liquid immiscibility in tholeiitic basalt
• Tracing tephra horizons in the Greenland ice-cores and the potential for integrating disparate proxy records in the North Atlantic region
• Unravelling the complexity of the geometry and nucleation phase of Apennininc extensional systems: the case of the 2009 MW 6.1 L’Aquila normal fault system (Central Italy).
• Zooming into the subduction plate interface: constraints from petrology, geodynamics and modelling
• Strontium in the oceans: Where does it come from and where does it go?
• Relating atmospheric CO2 levels to biogeochemical processes
• Title to be confirmed
• In situ mineral carbonation (and hydration) in peridotite for CO2 capture and storage (and geodynamics)
• Volcanic-Magmatic Interplays on Mid-Ocean Ridge Construction and Petrogenesis
• Ocean Ridge Perspectives on Mantle Heterogeneity
• The microbial biogeochemistry of the sediment/water interface - players, processes, and rates
• Multiple sulfur isotope constraints on S oxidation processes in modern and ancient ecosystems
• Recovery from the end-Permian mass extinction
• Title to be confirmed
• Large scale tectonic framework of SE Asia and the structure and deformation of the lithosphere beneath SE Tibet
• Comparative palaeoecology of mass extinction events
• Climate change and volcanism: The Siberian Traps and Yellowstone volcanic provinces
• Reactive melt migration and the evolution of mid-ocean ridge basalt
• Middle Miocene Expansion of the East Antarctic Ice Sheet Triggered by pCO2 decline
• Pleistocene glacial cycles: interactions amongst ice, volcanism, and atmospheric CO2.
• Rock records: when two are better than one
• Deforming the Earth: Runny Solids in the Deep Mantle
• Melting above the (nominally) anhydrous solidus controls the location of volcanic arcs
• The motion and rheology of the Indian plate, and their effects upon Tibetan tectonics
• Tracking the solidification of a basaltic crystal mush
• Excursions and paleointensity: Integration of magnetic and oxygen isotope stratigraphies
• Challenging the assumptions of functional analysis of fossils: diet, feeding and tooth wear analysis.
• 4.5 Gyr of maturation of the Upper Continental Crust? Evidence from stable isotope ratios.
• Bedrock Rivers
• Cradle of life or barren wasteland? Geochemical constraints on early martian water
• Fractionation effects in turbidity currents
• High 3He/4He in proto-Iceland plume basalts: implications for the deep Earth
• Morphologic and Geochemical Evolution of the Submarine Kermadec – Tonga Arc
• Up the down escalator: Formation and exhumation of (ultra) high pressure rocks
• Constraints on mantle geochemistry and planetary differentiation derived from Fe isotopes
• Accretion of the Earth and formation of the core
• The solidification of gabbros
• Marginal stability of explosive volcanic columns
• Characterising geomorphic responses to tectonic perturbation: Insights and implications.
• Explosive volcanism: a materials catastrophe
• Heavy Stable Isotopes in Marine Geochemistry - Insights from Cadmium
• Catastrophic megafloods in the English Channel explain how Britain became an island
• Molten Earth: Magma in the Deep Mantle