Growth mechanisms and environmental implications of carbonate concretions from the~ 1.4 Ga Xiamaling Formation, North China

AQ Liu, DJ Tang, XY Shi, LM Zhou, XQ Zhou… - Journal of …, 2019 - Springer
… , carbonate concretions occur in … of the concretion formation and their environmental
implications, a thorough study on the petrographic and geochemical compositions of the concretions

Carbonate concretions—explained

JD Marshall, D Pirrie - Geology today, 2013 - Wiley Online Library
… 7b) has important implications for the origin of … carbonate concretions. In the air, or if the
water column is oxygen-rich, these decay products are lost and are recycled into the environment

Microbially-mediated fossil-bearing carbonate concretions and their significance for palaeoenvironmental reconstructions: A multi-proxy organic and inorganic …

C Plet, K Grice, A Pagès, W Ruebsam, MJL Coolen… - Chemical …, 2016 - Elsevier
… with OM-rich pelitic shales reveals a formation under anoxic environmental conditions. In
such conditions, OM decays at the sediment/water interface and is controlled by anaerobic …

[PDF][PDF] Palaeoenvironmental significance of iron carbonate concretions from the Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn, Kraków-Silesia Homocline …

M Witkowska - Acta Geologica Polonica, 2012 - bibliotekanauki.pl
… the depositional environment and the processes taking place in the ambient strata during …
in DSDP/ODP sediments: implications for the formation of concretions. Chemical Geology, 211, …

Oxygen and carbon isotopic composition of marine carbonate concretions; an overview

PS Mozley, SJ Burns - Journal of Sedimentary Research, 1993 - pubs.geoscienceworld.org
… , because the mode of concretion growth and environment of formation are imperfectly …
MOZLEV, PS, 1989, Complex compositional zonation in concretionary siderite: implications

Concretions as agents of soft-tissue preservation: A review

VE McCoy - The Paleontological Society Papers, 2014 - cambridge.org
Carbonate concretion sites described in the literature show a pattern of … is likely that concretions
are able to affect the environment in … zonation in concretionary siderite: implications for …

… concretions from the lower Cretaceous of Victoria, Australia: implications for the evolution of meteoric waters on the Australian continent in a paleopolar environment

RT Gregory, CB Douthitt, IR Duddy, PV Rich… - Earth and Planetary …, 1989 - Elsevier
… This report presents the results of a carbon and oxygen isotopic study of carbonate concretions
from the Otway Group of the Otway basin and Strzelecki Group of the Gippsland basin, …

Greigite from carbonate concretions of the Ediacaran Doushantuo Formation in South China and its environmental implications

J Dong, S Zhang, G Jiang, H Li, R Gao - Precambrian Research, 2013 - Elsevier
… Here we report well-preserved greigite in carbonate concretions of the … the carbonate
concretions coexists with anhedral and framboidal pyrite, and is distributed in clay-rich carbonates

Early diagenetic mineralization and fossil preservation in modern carbonate concretions

PA Allison, K Pye - Palaios, 1994 - JSTOR
… The rate and amount of porewater movement recorded could have significant implications
… suggests that these concretions formed in a brackish water swamp environment, either in a …

Origin and distribution of calcite concretions in Cretaceous Wall Creek Member, Wyoming: Reservoir-quality implication for shallow-marine deltaic strata

SL Nyman, MR Gani, JP Bhattacharya, K Lee - Cretaceous Research, 2014 - Elsevier
concretions in the channel deposits have broken shell material scattered throughout. Concretions
with multiple locations of carbonate … only carbonate mineral present in the concretions, …