Study of Early Cretaceous Amber from the Isle of Wight
Author Information
Author(s): Bray P Sargent, Anderson Ken B
Primary Institution: Department of Geology, SIU Carbondale, Carbondale IL, USA
Hypothesis
The amber found in the Isle of Wight deposits is likely derived from an extinct member of the Pinaceae family.
Conclusion
The analysis suggests that the amber is dominated by abietane-type and labdanoid-type diterpenes, indicating a possible connection to the Pinaceae family, but the Cheirolepidiaceae cannot be excluded as a source.
Supporting Evidence
- The amber samples were analyzed using advanced techniques to determine their chemical composition.
- The results showed a dominance of abietane-type diterpenoids in the amber.
- Previous studies have indicated that similar resin compositions are found in modern conifers of the Pinaceae family.
- The study highlights the importance of resin chemistry in understanding ancient plant relationships.
Takeaway
Scientists studied ancient tree sap from the Isle of Wight and found it mostly comes from a type of tree that is still around today, but they can't be sure because they don't have enough information about the other trees that used to grow there.
Methodology
The study used pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) to analyze the amber samples.
Limitations
The lack of geochemical data for the dominant conifers in the deposits limits the ability to definitively assign the amber to a specific family.
Digital Object Identifier (DOI)
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