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Biochemical Origin of Ooids - Coggle Diagram
Biochemical Origin of Ooids
Literature Review
:
Analyzing Ooids Origin
Synthesizing theories (biological vs. chemical origins)
Identifying research gaps
Evaluating Distribution & Characteristics
Lower Cambrian ooids (Qingxudong Formation)
Occurrence in the Upper Yangtze Basin
Selection of Optimal Sampling Sites
Satellite Analysis (geological features)
Identifying ooidal shoals & oolitic limestone
Selected sections: Yankong, Tuhechang, Panshi, Limei, Taiyuan
Geological Fieldwork
Field Team & Training
Field with Master's students for skill development
Hands-on training in sampling, mapping, and fieldwork
Enhancing students’ understanding of sedimentology & stratigraphy
Sample Collection Strategy
Systematic collection of ooid-bearing limestone samples
Acid reaction tests for carbonate composition
GPS coordinates, mesoscale features, and structural features
Sample Preservation & Transport
Proper labeling & storage of collected samples
Transport to lab for geochemical & petrographic analyses
Field Safety & Logistics
Ensuring safety protocols (gear, first aid, emergency plans)
Coordination of travel, accommodation, and permits
Backup plans for weather and site accessibility issues
Laboratory Analyses
Microscopic Techniques
Petrography (Thin-section study)
SEM (Microstructure, microbial biofilms)
Geochemical Analysis
Isotopic Analysis (δ¹⁸O, δ¹³C)
LA-ICP-MS (Trace elements, diagenesis)
Molecular Profiling
Lipid Fingerprinting (Organic compounds)
Biochemical Tracing (Microbial signatures)
Nanoscale Analysis
NanoSIMS (Elemental and isotopic composition)
