page_title: Detrital zircon geochronology
section_title: Using difference between detrital zircons crystallisation ages and their corresponding maximum depositional age
hierarchical_section_title: Detrital zircon geochronology / Application of detrital zircon ages / Tectonic studies / Using difference between detrital zircons crystallisation ages and their corresponding maximum depositional age
caption_attribution_description: English: Graph illustrating the generalized zone for cumulative proportional curves of CA-DA in extensional basins
context_page_description: Detrital zircon geochronology is the science of analyzing the age of zircons deposited within a specific sedimentary unit by examining their inherent radioisotopes, most commonly the uranium–lead ratio. The chemical name of zircon is zirconium silicate and its corresponding chemical formula is Zr SiO₄. Zircon is a common accessory or trace mineral constituent of most granite and felsic igneous rocks. Due to its hardness, durability and chemical inertness, zircon persists in sedimentary deposits and is a common constituent of most sands. Zircons contain trace amounts of uranium and thorium and can be dated using several modern analytical techniques. It has become increasingly popular in geological studies from the 2000s mainly due to the advancement in radiometric dating techniques. Detrital zircon age data can be used to constrain the maximum depositional age, determine provenance, and reconstruct the tectonic setting on a regional scale.
context_section_description: Apart from the detrital zircon age abundance, difference between detrital zircons crystallisation ages (CA) and their corresponding maximum depositional age (DA) can be plotted in cumulative distribution function to correlate particular tectonic regime in the past. The effect of different tectonic settings on the difference between CA and DA is illustrated in Figure 7 and summarized in Table. 3.
caption: Fig. 10 – Graph illustrating the generalized zone for cumulative proportional curves of CA-DA in extensional basins. Modified from Cawood et al. (2012)
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