Microbial exopolymer secretions in ocean environments: their role (s) in food webs and marine processes

AW Decho - Oceanogr Mar Biol Annu Rev, 1990 - books.google.com
Microbial exopolymers are high molecular-weight mucous secretions of bacteria and
microalgae. They range from tight capsules which closely surround cells to the loose-slime …

Vanadium accumulation in carbonaceous rocks: a review of geochemical controls during deposition and diagenesis

GN Breit, RB Wanty - Chemical Geology, 1991 - Elsevier
Published data relevant to the geochemistry of vanadium were used to evaluate processes
and conditions that control vanadium accumulation in carbonaceous rocks. Reduction …

[图书][B] Metals in the Hydrocycle

W Salomons, U Förstner - 2012 - books.google.com
Metals in the hydrological cycle represent a very broad subject covering all parts of the
geological cycle. The present version of this book, therefore, would not have been possible …

Ocean particle chemistry: the fractionation of rare earth elements between suspended particles and seawater

ER Sholkovitz, WM Landing, BL Lewis - Geochimica et Cosmochimica Acta, 1994 - Elsevier
Sargasso Sea suspended particles were sequentially digested with three chemical
treatments (acetic acid, mild HCl/HNO 3 and HF/HNO 3/HCl in a bomb). The latter two …

Scavenging of dissolved yttrium and rare earths by precipitating iron oxyhydroxide: experimental evidence for Ce oxidation, Y-Ho fractionation, and lanthanide tetrad …

M Bau - Geochimica et Cosmochimica Acta, 1999 - Elsevier
Scavenging experiments were performed at pH 3.6 to 6.2 with synthetic solutions containing
dissolved Fe (≈ 7 mg/L), Rare Earths and Yttrium (ΣREY:≈ 61 μg/L) in a matrix of 0.01 M …

The oceanic chemistry of the rare-earth elements

H Elderfield - … Transactions of the Royal Society of …, 1988 - royalsocietypublishing.org
Because of the unique chemical characteristics of the rare-earth elements (rees), they
provide information as oceanic tracers of element source and reactivity. The absolute and …

Comparison of the partitioning behaviours of yttrium, rare earth elements, and titanium between hydrogenetic marine ferromanganese crusts and seawater

M Bau, A Koschinsky, P Dulski, JR Hein - Geochimica et Cosmochimica …, 1996 - Elsevier
In order to evaluate details of the partitioning behaviours of Y, rare earth elements (REEs),
and Ti between inorganic metal oxide surfaces and seawater, we studied the distribution of …

Early diagenesis in differing depositional environments: the response of transition metals in pore water

TJ Shaw, JM Gieskes, RA Jahnke - Geochimica et Cosmochimica Acta, 1990 - Elsevier
Abstract The cycling of Fe, Mn, Ni, Co, Cu, Cr, V, and Mo during early diagenesis was
investigated in sediments from five different depositional environments in the California …

[图书][B] Geochemistry of marine sediments

DJ Burdige - 2007 - degruyter.com
The processes occurring in surface marine sediments have a profound effect on the local
and global cycling of many elements. This graduate text presents the fundamentals of …

Rare earth element scavenging in seawater

RH Byrne, KH Kim - Geochimica et Cosmochimica Acta, 1990 - Elsevier
Examinations of rare earth element (REE) adsorption in seawater, using a variety of surface-
types, indicated that, for most surfaces, light rare earth elements (LREEs) are preferentially …