Phosphate rocks: A review of sedimentary and igneous occurrences in Morocco

R El Bamiki, O Raji, M Ouabid, A Elghali… - Minerals, 2021 - mdpi.com
Phosphate rocks are a vital resource for world food supply and security. They are the
primary raw material for phosphoric acid and fertilizers used in agriculture, and are …

Oxygenation of the Earth's atmosphere–ocean system: a review of physical and chemical sedimentologic responses

PK Pufahl, EE Hiatt - Marine and Petroleum Geology, 2012 - Elsevier
The Great Oxidation Event (GOE) is one of the most significant changes in seawater and
atmospheric chemistry in Earth history. This rise in oxygen occurred between ca. 2.4 and 2.3 …

Investigating the use of sedimentary geochemical proxies for paleoenvironment interpretation of thermally mature organic-rich strata: Examples from the Devonian …

DJK Ross, RM Bustin - Chemical Geology, 2009 - Elsevier
Shales and mudrocks are enriched with diverse suites of major elements and trace metals
that reflect their depositional environment, provenance and diagenesis. Here we present …

Sedimentary and igneous phosphate deposits: formation and exploration: an invited paper

PK Pufahl, LA Groat - Economic Geology, 2017 - pubs.geoscienceworld.org
Phosphorus is the central ingredient in fertilizer that allows modern agriculture to feed the
world's population. This element, also critical in a host of industrial applications, is a …

Secular change in the Precambrian silica cycle: insights from chert petrology

RG Maliva, AH Knoll… - Geological Society of …, 2005 - pubs.geoscienceworld.org
Chert deposits preserve a record of secular change in the oceanic silica cycle. The
evolutionary radiation of silica-secreting organisms resulted in a transition from abiological …

Ironstone as a proxy of Paleozoic ocean oxygenation

EJ Matheson, PK Pufahl, A Voinot, JB Murphy… - Earth and Planetary …, 2022 - Elsevier
Marine ironstone is a Phanerozoic biochemical sedimentary rock that contains abundant
primary iron. Although rare, ironstone is conspicuous in the Paleozoic sedimentary record …

Controls on diagenesis of Lower Cretaceous reservoir sandstones in the western Sable Subbasin, offshore Nova Scotia

A Karim, G Pe-Piper, DJW Piper - Sedimentary Geology, 2010 - Elsevier
Lower Cretaceous deltaic sandstones of the Scotian Basin, offshore eastern Canada, are
important gas reservoirs. The influence of several factors on diagenesis has been …

Diagenesis and quartz cement distribution of low-permeability Upper Triassic–Middle Jurassic reservoir sandstones, Longyearbyen CO2 lab well site in Svalbard …

MBE Mørk - AAPG bulletin, 2013 - pubs.geoscienceworld.org
Abstract Reservoir properties of Upper Triassic–Middle Jurassic sandstones, Spitsbergen,
are studied as part of a CO2 storage pilot project in Longyearbyen. The reservoir formations …

Genesis of phosphorite crusts off Peru

ET Arning, A Lückge, C Breuer, N Gussone, D Birgel… - Marine Geology, 2009 - Elsevier
Authigenic phosphorite crusts from the shelf off Peru (9° 40′ S to 13° 30′ S) consist of a
facies with phosphatic coated grains covered by younger phosphatic laminite. The crusts are …

Sedimentary phosphate and associated fossil bacteria in a Paleoproterozoic tidal flat in the 1.85 Ga Michigamme Formation, Michigan, USA

EE Hiatt, PK Pufahl, CT Edwards - Sedimentary Geology, 2015 - Elsevier
Phosphorus is a nutrient fundamental to life and when it precipitates in modern
environments bacteria are intimately involved in its release, concentration, and …