نتایج جستجو برای: acritarchs

تعداد نتایج: 104  

Journal: :Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 2001

Journal: :Bulletin Grønlands Geologiske Undersøgelse 1979

2010
Chandra Wickramasinghe Max K. Wallis Carl H. Gibson Jamie Wallis Shirwan Al-Mufti Nori Miyake

Three decades ago the first convincing evidence of microbial fossils in carbonaceous chondrites was discovered and reported by Hans Dieter Pflug and his collaborators. In addition to morphology, other data, notably laser mass spectroscopy, confirmed the identification of such structures as putative bacterial fossils. Balloon-borne cryosampling of the stratosphere enables recovery of fragile com...

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