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The 2nd meeting of the Isotopes in Biogenic Silica Working Group was held on 18 April 2007 at the NERC Isotope Geosciences Laboratory (NIGL), British Geological Survey, UK, in association with the Quaternary Research Association (QRA).

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Wednesday 18th April 2007

The workshop comprised a series of short keynote presentations giving examples and overviews of research using isotopes in biogenic silica. The keynote presentations involved isotope applications in terrestrial, marine and aquatic records. 

 

Talks:

• F. Alayne Street-Perrott, Philip Barker & Melanie Leng
  Towards a strategy for investigating Quaternary changes in the biogeochemical cycle of silicon using isotopic and geochemical data 

• Melanie J Leng & Hilary J Sloane
  Combined oxygen and silicon isotope analysis of biogenic silica 

• Tim S Brewer, Melanie J Leng, Angela L Lamb, Anson W Mackay & Jonathan J Tyler
  Unravelling the contamination signatures in biogenic silica, the role of major and trace element geochemistry 

• Philip A Barker, Melanie J Leng & Françoise Gasse 
  Century-to-millennial scale climatic variability in Lake Malawi revealed by isotope records 

• George EA Swann, Melanie J Leng, Hilary J Sloane & Mark A Maslin
  Further stratigraphical evidence for the existence of a species effect in diatom oxygen isotopes 

• Jonathan J Tyler, Melanie J Leng, Hilary J Sloane, Viv J Jones & Rick W Battarbee
  Unravelling the climate signals preserved in diatom silica oxygen isotope ratios: a case study from Lochnagar, Scotland 

• Martin J Hodson, Adrian G Parker, Melanie J Leng & Hilary J Sloane 
  Silicon and oxygen isotopes in wheat (Triticum aestivum L.) phytoliths- implications for palaeoecology and archaeology 

• Christina Jonsson, Gunhild C Rosqvist, Melanie J Leng & Dan Hammarlund
  A biogenic silica δ18O record from lake sediment in northern Scandinavia 

• A Hernàndez, R Bao, S Giralt, MJ Leng, PA Barker, JJ Pueyo, A Sàez, A Moreno, B Valero-Garcés, & HJ Sloane
  A high-resolution study of diatom oxygen isotopes in a Late Pleistocene to Early Holocene laminated record from Lake Chungarà (Andean Altiplano, Northern Chile) 

• AW Mackay, MJ Leng, DW Morley, P Rioual, & HJ Sloane.
  Characterising hydrological stability in Lake Baikal during the last interglacial from δ18Odiatom analysis of diatom silica 

• DCW Sanderson, AB MacKenzie, J Melone, JG Farmer, C Schnabel, RO Owens.
  Development of a low level radiometric system for 32-Si dating.