All articles by Wretch Fossil are here: http://www.wretch.cc/blog/lin440315&category_id=0
John P Grotzinger was project scientist for theCuriosity rover mission. He wrote the following article on ooids: “Numerical modeling of ooid size and the problem of Neoproterozoic giant ooids.” (displayed at http://www.ncbi.nlm.nih.gov/pubmed/11539432)
Dr. R.E. Summons is an expert on ooids. He wrote an article entitled “Lipid biomarkers in ooids from different locations and ages: Evidence for a common bacterial flora”. (see http://doi.org/10.1111/gbi.12047)
Dr. R.E. Summons is also on the Science Team of Mars rover Curiosity. He is the fifth author of the following article regarding discovering organic molecules in Yellowknife Bay, Gale Crater, Mars: http://www.hou.usra.edu/meetings/lpsc2016/pdf/2568.pdf