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Q: How do we date the sequence and timing of events in the early solar system? A: Using radiometric dating. Most of you have probably heard of carbon dating, which relies of the radioactive decay of one form of carbon, … Continue reading
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As something new on our blog, we thought we’d start updating readers when new papers or conference abstracts from the group are published. As many papers are published open access, the majority of our papers should be available online to … Continue reading
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Hello readers!! This past month Sarah, Mark and myself have had the pleasure of being involved in two secondary school visits to SEAES, both year 8 classes. Now I say pleasure but being both mine and Marks first school visits, … Continue reading
Well we made it!!! After hours of delayed flights, missed connections, fully booked alternatives, planes turned back due to faulty toilets, no sleep and extremely bad treatment at the hands of US Airways we got to Houston! 5 of us … Continue reading
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A short time ago I wrote about some of our work analysing the xenon in zircons from the Jack Hills region of Australia, the oldest known material on Earth. If you think trying to unravel xenon contributions from 2 sources … Continue reading
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Jack Hills, Western Australia – a hot, dry and barren place where very little lives. But it is here that the oldest known materials on Earth have survived from shortly after the formation of the Earth until the present day. … Continue reading
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Those of you who have been following this blog may have noticed that there are quite a number of posts about xenon. We even have a special mass spectrometer which can only measure xenon. But why? Why are we so … Continue reading
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Our RELAX instrument measures the ratios of different xenon isotopes. We can analyse samples so small that they contain fewer than a thousand atoms of xenon. The graphic below gives you an idea of how small an amount of material … Continue reading
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There is nothing better than analyzing a sample in the lab if you want to get accurate and comprehensive results. Despite stars being lightyears away it’s possible to get a star (a tiny piece of it to be precise) into … Continue reading
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Antarctica, 2006; the Graves Nunataks ice-field: a meteorite is found that is different to any found before. Graves Nunataks 06129 is an ancient achondritic meteorite that originated in the upper crust of an asteroid. Its composition is dominated (>75%) by … Continue reading
Earth & Solar System 