Spectral features of biogenic calcium carbonates and implications for astrobiology

Physics & Astronomy

• exobiology 100%
• calcium carbonates 86%
• carbonates 70%
• fluorescence 27%
• reflectance 26%
• spectroscopy 26%
• laser induced fluorescence 25%
• calcium 24%
• discrimination 24%
• Raman spectroscopy 21%
• discriminators 15%
• citrates 15%
• organic compounds 15%
• organic materials 14%
• pigments 13%
• acetates 13%
• minerals 12%
• excitation 12%
• emission spectra 11%
• absorption spectra 9%
• causes 7%
• lasers 5%

Agriculture & Biology

• calcium carbonate 71%
• carbonates 56%
• lasers 36%
• reflectance spectroscopy 35%
• fluorescence emission spectroscopy 31%
• Raman spectroscopy 30%
• fluorescence 27%
• organic matter 22%
• carbonate minerals 22%
• sampling 22%
• calcium citrate 20%
• organic compounds 13%
• reflectance 12%
• acetates 9%
• pigments 9%
• calcium 7%
• methodology 6%

Earth & Environmental Sciences

• carbonate 41%
• fluorescence 32%
• fluorescence spectroscopy 30%
• Raman spectroscopy 28%
• spectroscopy 21%
• organic matter 16%
• pigment 12%
• acetate 11%
• organic compound 11%
• material 10%
• indicator 7%
• mineral 6%