Several techniques have been introduced in the last decades for the dehydration and
release of O2 from biogenic silica (opal-A) for oxygen-isotope analysis. However, only one …

A new technique has been developed for the determination of the oxygen isotope
composition from biogenic silica. The iHTR method (inductive high temperature carbon …

The determination of the oxygen isotope composition of diatom silica in sediment cores is
important for paleoclimate reconstruction, especially in non‐carbonate sediments, where no …

Mineral particles and other contaminants cause a serious and undesirable shift in δ18O
values of biogenic silica and should be removed prior to isotope analysis. This problem is …

The oxygen isotope composition of diatom silica (δ 18Odiatom) provides valuable
information for palaeoclimate studies where carbonate proxies are either rare or absent in …

There is increasing interest in the use of biogenic silica O and Si isotope ratios to
understand climate and environmental processes. Virtually all of the fairly substantial body …

Triple oxygen isotope analyses were made on geothermal fluids and precipitates from Chile
and Iceland to calibrate the silica-water isotopic fractionation for abiotic silica formation at …

Diatom silica (frustules) are a form of biogenic opal and contain oxygen isotopes that are
being increasingly used in palaeoclimate studies. Frustules are comprised of an inner …

Oxygen isotope ratios of biogenic silica offer considerable potential in tracing past climate
change using both marine and lacustrine sediment records. Despite recent improvements …

Silicon dioxide (SiO2) occurs as both crystallized quartz and amorphous quartz, and their
oxygen isotope is widely used to trace the source of hydrothermal fluids, to reconstruct …