Impact of early diagenesis on distributions of Sphagnum n-alkanes in peatlands of the monsoon region of China

Y Zhang, M Zheng, PA Meyers, X Huang - Organic Geochemistry, 2017 - Elsevier
Sphagnum species are important peat-forming plants in wetlands the world over. Their n-
alkane distributions are typically characterized by a predominance of mid-chain (C 23 and C …

Organic compounds preserved in a 2.9 million year old stalagmite from the Nullarbor Plain, Australia

AJ Blyth, JS Watson, J Woodhead, J Hellstrom - Chemical Geology, 2010 - Elsevier
A 2.9 Ma stalagmite from the Nullarbor Plain, South Australia was analysed for organic
components. In contrast to previously analysed stalagmites, no significant lipid record was …

Bacteria, guano and soot: Source assessment of organic matter preserved in black laminae in stalagmites from caves of the Sierra de Atapuerca (N Spain)

J Kaal, V Martínez Pillado, A Martínez Cortizas… - 2021 - docta.ucm.es
Speleothems are a recognized source of palaeoclimatic information, but their value as a
source of signals from human activities in caves with an archaeological record has rarely …

Adsorbed silica in stalagmite carbonate and its relationship to past rainfall

C Hu, J Huang, N Fang, S Xie, GM Henderson… - … et Cosmochimica Acta, 2005 - Elsevier
Despite considerable work on other trace elements, the incorporation of dissolved silicon
from cave waters into speleothems has not been previously investigated. In this study, the …

[PDF][PDF] 洛川黄土剖面末次冰期间冰段弱古土壤(L1SS1) 分子化石及其古植被与古环境

杨明生, 张虎才, 雷国良, 张文翔, 樊红芳, 常凤琴… - 第四纪研究, 2006 - dsjyj.com.cn
摘要利用气相色谱-质谱联用仪(GC-MS) 对连续取样的洛川黄土剖面弱古土壤层(L1 SS1)
和相邻黄土层(L1 LL1, L1 LL2) 的分子化石进行了检测, 获得正构烷烃, 正烷基-2 …

Changes in hydrocarbons and elemental distribution in peloids during maturation processes (Sečovlje Salina Nature Park Slovenia)

A Šajnović, N Burazer, G Veselinović… - Science of The Total …, 2023 - Elsevier
Abstract In Sečovlje Salina Nature Park, the therapeutic mud matured in the natural
sedimentary environmental site. This work aimed to determine the influence of the peloid …

Improved Polycyclic Aromatic Hydrocarbon and n-Alkane Determination in Speleothems through Cleanroom Sample Processing

E Argiriadis, RF Denniston, C Barbante - Analytical chemistry, 2019 - ACS Publications
Interest in paleoenvironmental reconstructions from biomarkers in speleothems is
increasing, thanks in part to the capacity of speleothems to grow continuously and to resist …

Molecular signatures of dissolved organic matter in a tropical karst system

FA Lechleitner, T Dittmar, JUL Baldini, KM Prufer… - Organic …, 2017 - Elsevier
Karst areas are widespread landforms present on all continents, formed by the dissolution of
carbonate or evaporite host rock. Little is known about the composition and nature of …

Atmospheric sources and soil filtering of PAH content in karst seepage waters

Y Perrette, J Poulenard, A Durand, M Quiers… - Organic …, 2013 - Elsevier
The analysis of PAHs (polycyclic aromatic hydrocarbons) in karst environments has
provided an assessment of the vulnerability of karst water and the study of PAH records in …

n-Alkan-2-one distributions in a northeastern China peat core spanning the last 16 kyr

Y Zheng, W Zhou, X Liu, CL Zhang - Organic Geochemistry, 2011 - Elsevier
Most research on long chain methyl ketones has focused on their origins and distributions.
Their application in paleoclimate studies is less common than that of other n-alkyl lipids. The …