Converting ppm channels to weight % oxide

📅 May 8, 2020 · ☕ 3 min read · ✍️ Joe

One question that came up recently was how to get the results in weight percent oxide rather than ppm. In this note, we’ll go through one way you can do that using iolite’s python functionality.

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Replacing channel data

📅 May 8, 2020 · ☕ 3 min read · ✍️ Joe

We recently had a question about replacing values below 0 with 0 so I thought I’d write a quick note to demonstrate one way you can do that using iolite’s python functionality.

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Using IsoplotR in iolite

📅 May 7, 2020 · ☕ 4 min read · ✍️ Joe

With Kenneth Ludwig’s Isoplot becoming more and more difficult to use in modern Excel (let alone on a Mac), there is increasing interest in alternatives. One alternative is Pieter Vermeesch’s IsoplotR.

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Weighted U/Ca via a simple UI plugin

📅 May 7, 2020 · ☕ 7 min read · ✍️ Joe

A recent publication by Cogné et al. used a modified iolite 2/3 data reduction scheme to calculate ‘weighted’ U/Ca as part of an apatite fission track dating protocol.

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Examining Covariance and Correlation in iolite

📅 May 4, 2020 · ☕ 5 min read · ✍️ Bence

Sometimes we want to examine the relationship between elements (channels) in our datasets to guide us in our data processing. For example, looking for elements whose concentrations correlate strongly can provide us with ideas about what to plot, or whether our data make sense.

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