Terminal Proterozoic mid-shelf benthic microbial mats in the Centralian Superbasin and their environmental significance [0.03%]
中央超级盆地终端前寒武纪中期大陆架微生物席及其环境意义
G A Logan,C R Calver,P Gorjan et al.
G A Logan et al.
A combined sedimentological and biogeochemical study has been conducted on several Terminal Proterozoic mid-shelf microbial mat facies from the Centralian Super-basin. Isotopic and organic geochemical analysis of the bitumen and kerogen ind...
Comparative Study
Geochimica et cosmochimica acta. 1999 May;63(9):1345-58. DOI:10.1016/s0016-7037(99)00033-2 1999
The role of vaterite and aragonite in the formation of pseudo-biogenic carbonate structures: implications for Martian exobiology [0.03%]
文石和白堊石在伪生物碳酸盐结构形成中的作用：对火星外生物学的意义
A Vecht,T G Ireland
A Vecht
A simple synthesis of various forms of calcium carbonate with spherical and 'floral' morphologies is reported. Vaterite formation occurs at approximately 25 degrees C, aragonite at approximately 70 degrees C and calcite at about approximate...
Comparative Study
Geochimica et cosmochimica acta. 2000 Aug;64(15):2719-25. DOI:10.1016/s0016-7037(00)00381-1 2000
Low temperature hydrothermal maturation of organic matter in sediments from the Atlantis II Deep, Red Sea [0.03%]
亚特兰蒂斯深谷红海沉积物中有机质的低温热液成熟作用
B R Simoneit,J O Grimalt,J M Hayes et al.
B R Simoneit et al.
Hydrocarbons and bulk organic matter of two sediment cores (No. 84 and 126, CHAIN 61 cruise) located within the Atlantis II Deep have been analyzed. Although the brines overlying the coring areas were reported to be sterile, microbial input...
Dicarboxylic acids generated by thermal alteration of kerogen and humic acids [0.03%]
热作用下壳质组和腐泥酸生成二元羧酸研究
K Kawamura,I R Kaplan
K Kawamura
Significant amounts (up to 2% of organic geopolymers) of low molecular weight (LMW) dicarboxylic acids (C2-C10) have been detected during thermal alteration (270 degrees C, 2 h) of kerogens and humic acids isolated from young or ancient lit...
13C NMR spectroscopy of the insoluble carbon of carbonaceous chondrites [0.03%]
碳质球粒陨石难溶碳的十三碳核磁共振谱学研究
J R Cronin,S Pizzarello,J S Frye
J R Cronin
13C NMR spectra have been obtained of the insoluble carbon residues resulting from HF-digestion of three carbonaceous chondrites, Orgueil (C1), Murchison (CM2), and Allende (CV3). Spectra obtained using the cross polarization magic-angle sp...
Comparative Study
Geochimica et cosmochimica acta. 1987:51:299-303. DOI:10.1016/0016-7037(87)90242-0 1987
Isotopic characterisation of kerogen-like material in the Murchison carbonaceous chondrite [0.03%]
默奇森碳质球粒陨石中类似沥青质物质的同位素特征研究
J F Kerridge,S Chang,R Shipp
J F Kerridge
Isotopic data for C, H and N in acid-resistant residues from carbonaceous chondrites show substantial variability during stepwise pyrolysis and/or combustion. After subtraction of contributions due apparently to inorganic C grains, of proba...
Phosphorus in foraminiferal sediments from North Atlantic Ridge cores and in pure limestones [0.03%]
北大西洋海脊岩芯丝轴沉积物和纯净石灰石中的磷素分布
B A Sherwood,S L Sager,H D Holland
B A Sherwood
Samples of foraminiferal ooze from two North Atlantic cores were cleaned and progressively dissolved. Most of the P, Fe, and Mn was released during the first of two reductive cleaning steps. Most of the remainder of these elements and most ...
The role of minerals in the thermal alteration of organic matter--IV. Generation of n-alkanes, acyclic isoprenoids, and alkenes in laboratory experiments [0.03%]
矿物在有机质热演化中的作用－Ⅳ.实验室实验中n-烷烃、开链异戊二烯和烯烃的生成
B J Huizinga,E Tannenbaum,I R Kaplan
B J Huizinga
A series of pyrolysis experiments, utilizing two different immature oil-prone kerogens ("type I": Green River Formation kerogen; "Type II": Monterey Formation kerogen) mixed with common sedimentary minerals (calcite, illite, or Na-montmoril...
Steranes and triterpanes generated from kerogen pyrolysis in the absence and presence of minerals [0.03%]
无矿质和有矿质条件下干酪根热解生成的甾烷和三萜烷
E Tannenbaum,E Ruth,I R Kaplan
E Tannenbaum
Steranes and triterpanes generated from pyrolysis of immature Monterey Formation kerogen in the presence and absence of calcite, illite and montmorillonite reveal results that are both consistent and divergent with published data that refle...
Amino acids of the Murchison meteorite. III. Seven carbon acyclic primary alpha-amino alkanoic acids [0.03%]
默奇森陨石中的氨基酸。第三部分：七碳直链α-氨基烷酸
J R Cronin,S Pizzarello
J R Cronin
All of the eighteen possible seven-carbon acyclic primary alpha-amino alkanoic acids have been positively identified in a hot-water extract of the Murchison meteorite by the combined use of gas chromatography-mass spectrometry, ion exchange...