Annique van der BoonUniversity of Oslo · Centre for Planetary Habitability
Annique van der Boon
PhD
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47
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Introduction
Additional affiliations
November 2017 - March 2021
March 2013 - March 2017
Education
February 2011 - January 2013
September 2007 - July 2010
Publications
Publications (47)
Public engagement document explaining paleomagnetism to the public
The Middle Eocene Climatic Optimum (MECO), a ∼500kyr episode of global warming that initiated at ∼ 40.5 Ma, is postulated to be driven by a net increase in volcanic carbon input, but a direct source has not been identified. Here we show, based on new and previously published radiometric ages of volcanic rocks, that the interval spanning the MECO co...
The Devonian has long been a problematic period for paleomagnetism. Devonian paleomagnetic data are generally difficult to interpret and have complex partial or full overprints– problems that arise in data obtained from both sedimentary and igneous rocks. As a result, the reconstruction of tectonic plate motions, largely performed using apparent po...
Northwest Iran is a seismically active region dominated by NW‐SE trending strike‐slip faults, such as the North Tabriz and Qosha Dagh faults, and smaller NNE‐SSW striking faults. The Bozgush Mountains are shaped by these faults and divided into two domains that show a difference in strike. To quantify rotational tectonic deformation in NW Iran, we...
Our understanding of Earth's paleogeography relies heavily on paleomagnetic apparent polar wander paths (APWPs), which represent the time‐dependent position of Earth's spin axis relative to a given block of lithosphere. However, conventional approaches to APWP construction have significant limitations. First, the paleomagnetic record contains subst...
Causes and controls of Middle-Late Devonian anoxic and biotic events are highly debated, and our results from the oceanographically open black-shale succession called the Horn River Group (HRG) provide elucidations. These strata are overall lean in siliciclastics and enriched in authigenic U, Mo, V, and planktogenic organic matter. We focus on thre...
This paper reviews global records of anoxic events of the Middle Devonian – earliest Mississippian, as well as the possible triggers and controls of these events. These “anoxic events” are complex multistage paleoenvironmental disturbances manifested in multiple proxies, which we showcase with the Horn River Group (HRG) – a succession of basinal or...
The middle Eocene climatic optimum (ca. 40 Ma) stands out as a transient global warming phase of ∼400 k.y. duration that interrupted long-term Eocene cooling; it has been associated with a rise in atmospheric CO2 concentrations that has been linked to a flare-up in Arabia-Eurasia continental arc volcanism. Increased organic carbon burial in the Tet...
Palaeomagnetism is a relatively unknown part of Earth sciences that is not well integrated into the school curriculum in the UK. Throughout recent years, there has been a decline in the number of Earth science students in the UK. In 2018 and 2019, we developed outreach activities and resources to introduce the scientifically engaged general public...
Norwegian version of '10 things you might not know about Earth's magnetic field'
The second half of the Devonian featured widespread deposition of organic matter on continental shelves. Distinct pulses of anoxic sediments, associated with positive δ13C excursions, are recognized as Devonian anoxic or carbon-cycle perturbation events. Many of these events are coupled with turnovers in marine faunas, including those ranked as maj...
Palaeomagnetic field intensity measurements, derived from rocks with ages that span geological time, provide a crucial constraint on the evolution of Earth’s deep interior and its magnetic environment. The palaeointensity database PINT has been updated to version v.8.0.0 and includes palaeointensity site-mean records spanning an interval from 50 ka...
Paleomagnetism is a relatively unknown part of Earth sciences that is not well integrated into the school curriculum in the United Kingdom. Throughout recent years, there has been a decline in the number of Earth science students in the UK. In 2018 and 2019, we developed outreach activities and resources to introduce the scientifically-engaged gene...
With geoscience student numbers dwindling, there is a strong need for Earth scientists to enthuse a new generation of prospective students. We created several hands-on activities to introduce members of the general public of all ages to the fundamentals of, and current research in paleomagnetism. We developed these activities at different outreach...
Abstract. The Middle Eocene Climatic Optimum (MECO), a ~500 kyr episode of global warming that initiated at ~40.5 Ma, is postulated to be driven by a net increase in volcanic carbon input, but a direct source has not been identified. Here we show, based on new and previously published radiometric ages of volcanic rocks, that the interval spanning t...
The Talesh Mountains (NW Iran) witnessed a long deformation history from the Triassic Cimmerian orogeny to the ongoing Arabia-Eurasia collision. This protracted multi-stage deformation has generated a remarkably curved orogen with a puzzling kinematic and deformational history. In this study, we investigate the origin of the Talesh curvature throug...
The field work conducted in 2019 on Prohibition Creek, SE of Norman Wells, was a joint effort of GSC and the DEEP research group of the University of Liverpool (UK) aimed to remeasure and sample the Eifelian-Frasnian succession of the Hume Formation and the Horn River Group. The latter is well exposed on Prohibition Creek and recommended as a refer...
The sedimentary succession along the Belaya River (North Caucasus) provides a record of middle Eocene to Miocene sediments. This time interval is well known for its important climatic transitions (e.g., Middle Eocene Climate Optimum (MECO) and Eocene-Oligocene Transition (EOT)), and changes in basin configuration from Peri-Tethys to Paratethys. The...
We studied two partly overlapping sections in limestones in southern Cumbria, to constrain a magnetostratigraphy through most of the Visean (Fig. 1, 4) (early Carboniferous), Meathop quarry and Trowbarrow quarry. The Visean in this area is roughly 650 m thick and is composed of grainstones, packstones and wackestones, with minor amounts of shale. A...
The sedimentary succession along the Belaya River (North Caucasus) provides a record of middle Eocene to Miocene sediments. This time interval is well known for its important climatic transitions (e.g., Middle Eocene Climate Optimum (MECO) and Eocene-Oligocene Transition (EOT)), and changes in basin configuration from Peri-Tethys to Paratethys. The...
Summarize the results from Cumbria, on 2 sites: Meathop and Trowbarrow quarry, the Magnetic measurements on Carboniferous limestones.
The section of Maikop deposits on the Belaya River upstream of the town of Maikop is characteristic of Western and Central Ciscaucasia; it is well exposed and well-studied and can be considered as the type section of the Maikop Group. The section shows a continuous transition from the underlying white marl of the Belaya Glina Formation to dark clay...
Magnetostratigraphy of Cumbrian Lower Carboniferous
Proposal I wrote for a Mendenhall fellowship, unsuccessful.
Since the late Eocene, convergence and subsequent collision between Arabia and Eurasia was accommo-dated both in the overriding Eurasian plate forming the Greater Caucasus orogen and the Iranian plateau, and by subduction and accretion of the Neotethys and Arabian margin forming the East Anatolian plateau and the Zagros. To quantify how much Arabia...
During the Eocene-Oligocene transition (EOT), a major palaeoenvironmental change took place in the Paratethys Sea of central Eurasia. Restricted connectivity and increased stratification resulted in wide-spread deposition of organic-rich sediments which nowadays make up important hydrocarbon source rocks. The North Alpine Foreland Basin (NAFB) was...
The transition from the Bartonian to the Priabonian, as traditionally understood, has long been associated with a series of extinctions and originations in several microfossil groups. The planktonic forami-nifer genus Morozovelloides and large species of Acarinina suffered a rapid global extinction, as did many radiolarians. Calcareous nannofossils...
The Greater Caucasus, extending from the Black Sea in the West to the Caspian Sea in the East, is the world's second largest active collisional orogen. It differs from traditional orogens in its relatively short length (~1100km) and its location >350 km away from a plate boundary (Arabia-Eurasia). Causes for its formation since the Late Eocene are...
A fort Hoofddijk team presentation. People at the paleomagnetic Laboratory ‘Fort Hoofddijk’ study the history of the geomagnetic field and explore the way the field is recorded in rocks. Knowledge of the ancient magnetic field is used for past geomagnetic field behaviour, magnetostratigraphic dating and reconstruction of tectonic rotations. This kn...
The transition from the Bartonian to the Priabonian, as traditionally understood, has long been associated with a series of extinctions and originations in several microfossil groups. The planktonic forami- nifer genus Morozovelloides and large species of Acarinina suffered a rapid global extinction, as did many radiolarians. Calcareous nannofossil...
The Maikop Series forms an important source rock in the former Paratethys. Deposition is often interpreted as anoxic, linked to restriction of the Paratethys. The Pirembel formation in the Talysh Mountains (Azerbaijan) is attributed to the Maikop Series and was deposited above the Eocene volcanic Peshtasar formation. Dating the onset of anoxia coul...
The Maikop series are composed of a thick succession of black shales, and are considered the most important source rock for hydrocarbons in the Caspian basin. The type section of this formation is located near the city of Maykop in Russia, north of the Greater Caucasus. Corresponding anoxic sediments can be traced in a vast area from Austria to Chi...