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1

Online Resource

Ancient Hydrocarbon Seeps (2022)

Kaim, Andrzej. [editor.] ; Cochran, J. Kirk. [editor.] ; Landman, Neil H. [editor.]

Cham :Springer International Publishing :

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Keywords: Physical geography. ; Paleoecology. ; Evolution (Biology). ; Geochemistry. ; Earth System Sciences. ; Paleoecology. ; Evolutionary Biology. ; Geochemistry.

Description / Table of Contents: Chapter 1-Introduction -- Chapter 2-Biogeochemical processes -- Chapter 3-Taphonomy and diagenesis of seeps -- Chapter 4-Biota -- Chapter 5-Seeps around the world -- Chapter 6-Seeps as ecosystems -- Chapter 7-Evolution of seep communities over geological time -- Chapter 8-Cognate communities.

Abstract: This volume details the function of hydrocarbon seeps, their evolution over time, the most important seep occurrences and the fauna present in ancient hydrocarbon seeps. While several publications exist that cover modern seeps and vents, fossil seeps only constitute a small component of the literature. As such, many geologists, stratigraphers and paleontologists, as well as undergraduates and graduate students, are not very familiar with ancient hydrocarbon seep deposits and their associated fauna. This text is the first to comprehensively discuss the nature of such animal groups and how to recognize them. In addition to summarizing available knowledge on these topics for specialists in the field, this book offers the background needed to be of use to students as well as the wider community of geologists and paleontologists.

Type of Medium: Online Resource

Pages: XVII, 687 p. 129 illus., 71 illus. in color. , online resource.

Edition: 1st ed. 2022.

ISBN: 9783031056239

Series Statement: Topics in Geobiology ; 53

URL: https://doi.org/10.1007/978-3-031-05623-9

DOI: 10.1007/978-3-031-05623-9

DDC: 550

Language: English

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The paleoecology, habitats, and stratigraphic range of the enigmatic cretaceous brachiopod peregrinella. (2018)

Kiel, Steffen ; Glodny, Johannes ; Birgel, Daniel ; [et al.]

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Publication Date: 2021-04-25

Description: Modern and Cenozoic deep-sea hydrothermal-vent and methane-seep communities are dominated by large tubeworms, bivalves and gastropods. In contrast, many Early Cretaceous seep communities were dominated by the largest Mesozoic rhynchonellid brachiopod, the dimerelloid Peregrinella, the paleoecologic and evolutionary traits of which are still poorly understood. We investigated the nature of Peregrinella based on 11 occurrences world wide and a literature survey. All in situ occurrences of Peregrinella were confirmed as methane-seep deposits, supporting the view that Peregrinella lived exclusively at methane seeps. Strontium isotope stratigraphy indicates that Peregrinella originated in the late Berriasian and disappeared after the early Hauterivian, giving it a geologic range of ca. 9.0 (+1.45/-0.85) million years. This range is similar to that of rhynchonellid brachiopod genera in general, and in this respect Peregrinella differs from seep-inhabiting mollusks, which have, on average, longer geologic ranges than marine mollusks in general. Furthermore, we found that (1) Peregrinella grew to larger sizes at passive continental margins than at active margins; (2) it grew to larger sizes at sites with diffusive seepage than at sites with advective fluid flow; (3) despite its commonly huge numerical abundance, its presence had no discernible impact on the diversity of other taxa at seep sites, including infaunal chemosymbiotic bivalves; and (4) neither its appearance nor its extinction coincides with those of other seep-restricted taxa or with global extinction events during the late Mesozoic. A preference of Peregrinella for diffusive seepage is inferred from the larger average sizes of Peregrinella at sites with more microcrystalline carbonate (micrite) and less seep cements. Because other seep-inhabiting brachiopods occur at sites where such cements are very abundant, we speculate that the various vent- and seep-inhabiting dimerelloid brachiopods since Devonian time may have adapted to these environments in more than one way.

Description: Open-Access-Publikationsfonds 2014

Keywords: Bivalves; Carbonates; Cements; Cretaceous period; Isotopes; Limestone; Methane; Strontium ; 551

Language: English , English

Type: article , publishedVersion

Format: 19

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A new Late Pliocene large provannid gastropod associated with hydrothermal venting at Kane Megamullion, Mid-Atlantic Ridge (2012)

Kaim, Andrzej ; Tucholke, Brian E. ; Waren, Anders

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Publication Date: 2022-05-25

Description: Author Posting. © The Author(s), 2011. This is the author's version of the work. It is posted here by permission of Taylor & Francis for personal use, not for redistribution. The definitive version was published in Journal of Systematic Palaeontology 10 (2012): 423-433, doi:10.1080/14772019.2011.607193.

Description: A new gastropod, Kaneconcha knorri gen et sp. nov., was found in marlstone dredged from the surface of Adam Dome at Kane Megamullion on the flank of the Mid-Atlantic Ridge in an area of former hydrothermal activity. The snail is interpreted as a large provannid similar to the chemosymbiotic genera Ifremeria and Alviniconcha. This is the first record of presumably chemosymbiotic provannids from the Atlantic Ocean and also the first fossil record of such large provannids associated with hydrothermal venting. Extant Alviniconcha and Ifremeria are endemic to hydrothermal vents in the Pacific and Indian oceans. Kaneconcha differs from Ifremeria in having no umbilicus and a posterior notch, and it differs from Alviniconcha in having the profile of the whorl slightly flattened and having no callus on the inner lip. A dark layer covering the Kaneconcha shell is interpreted here as a fossilized periostracum. The shell/periostracum interface shows fungal traces attributed to the ichnospecies Saccomorpha clava. We hypothesize that large chemosymbiotic provannids (i.e., Kaneconcha, Ifremeria, and Alviniconcha) form a clade that possibly diverged from remaining provannids in the Late Jurassic, with the Late Jurassic/Early Cretaceous Paskentana being an early member.

Description: R/V Knorr Cruise 180- 2 to Kane Megamullion was supported by National Science Foundation grant OCE- 0118445. A. Kaim acknowledges support from the Alexander von Humboldt Foundation. B. Tucholke acknowledges support from an Andrew W. Mellon Foundation Award for Innovative Research and from the Deep Ocean Exploration Institute at Woods Hole Oceanographic Institution.

Repository Name: Woods Hole Open Access Server

Type: Preprint

Format: application/pdf

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Electronic Resource

Excess Enthalpies of Cyclohexane + Cyclohexanone, Cyclohexane + Methyl Methacrylate, and Cyclohexanone + Methyl Methacrylate at 298.15 K (1995)

Wilczura, Hanna ; Talpur, Mir Munsif Ali ; Kaim, Andrzej ; [et al.]

s.l. : American Chemical Society

Journal of chemical & engineering data 40 (1995), S. 1233-1236

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ISSN: 1520-5134

Source: ACS Legacy Archives

Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1021/je00022a019

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5

Electronic Resource

True reactivity ratios for styrene-methyl methacrylate copolymerization in bulk (1998)

Kaim, Andrzej ; Oracz, Paweł

Weinheim : Wiley-Blackwell

Macromolecular Theory and Simulations 7 (1998), S. 97-103

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ISSN: 1022-1344

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The local composition concept has been adopted to account for the monomer partitioning effect in the vicinity of the growing macroradical in radical copolymerization. Local compositions were calculated in a two step procedure. In the first step the activity coefficients were calculated in the assumed model systems using the UNIFAC group contribution methodUNIFAC means UNIQUAC Functional Group Activity Coefficients, where UNIQUAC stands for Universal Quasichemical Activity Coefficients.. Subsequently, the modified Wilson equation was applied for estimation of the Boltzmann factor in the derived formulae. Terminal and penultimate models for the bulk copolymerization were investigated. For both models corresponding formulae were derived relating copolymer composition with local mole fractions and the true reactivity ratios. Test calculations have been performed for the bulk styrene-methyl methacrylate system at 313.15 K.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

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6

Electronic Resource

Non-uniqueness in determination of terminal and penultimate model reactivity ratios in the styrene-methyl methacrylate free-radical copolymerization system (1997)

Kaim, Andrzej ; Oracz, Paweł

Weinheim : Wiley-Blackwell

Macromolecular Theory and Simulations 6 (1997), S. 565-576

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ISSN: 1022-1344

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The terminal and penultimate model reactivity ratios in the free-radical copolymerization of styrene and methyl methacrylate in bulk at 40°C were calculated by means of the simplex and scanning methods. Calculations showed that for the terminal model r1 and r2 vary in comparatively narrow ranges of 0.548-0.552 and 0.480-0.483, respectively. For the penultimate model, the most accurate reactivity ratios calculated by the simplex method, which were r11 = 0.727, r22 = 0.490, r21 = 2.890, r12 = 4.583, are surrounded with sets of reactivity ratio values of equal accuracy. The ranges of variation were found to be 0.711-0.746, 0.487-0.492, 2.810-2.970 and 4.213-5.049, respectively. Numerical values of the penultimate r-parameters calculated with the simplex method depend, due to the structure of the multidimensional space (r11, r22, r21, r12, σ), on the initial guess for the r-parameters. Use of the covariance matrix for the estimation of the indetermination ranges is discussed.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mats.1997.040060216

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7

Electronic Resource

Styrene-methyl methacrylate copolymer microstructure according to terminal and penultimate model for free-radical copolymerization (1997)

Kaim, Andrzej

Weinheim : Wiley-Blackwell

Macromolecular Theory and Simulations 6 (1997), S. 907-913

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ISSN: 1022-1344

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: Microstructure of styrene-methyl methacrylate copolymers was determined according to the “bootstrap model” description using the terminal and the penultimate model of copolymerization. The implication of non-uniqueness in determining the penultimate model reactivity ratios from the copolymer microstructure is discussed. The styrene centred triad sequences in the copolymer obtained in the free-radical copolymerization of styrene and methyl methacrylate in bulk at 40°C were calculated using various sets of terminal and penultimate model reactivity ratios with very similar standard deviations. Calculations showed that for both models, the terminal model and the penultimate model, different reactivity ratios with very similar standard deviations are equally well suited for the quantitative description of the triad sequence distribution in the copolymer. The terminal and penultimate models produce different styrene centred triad sequence distributions in the copolymer, the difference depending on the penultimate model reactivity ratios used for calculation and on the type of the styrene centred triad sequence. The best equivalence of the two kinetic models was found when the initial r-parameters guess used for determining the penultimate reactivity ratios by the simplex method were r11 = r21 = r1 and r22 = r12 = r2. The results suggest that the penultimate effect on the styrene-methyl methacrylate free-radical copolymerization system is limited.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mats.1997.040060503

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