_version_ 1867169108998488064
author Poppe, L J
author_facet Poppe, L J
collection Datos científicos de ciencias marinas y ambientales
contents Ferromanganese coatings have been found on glacial erratics in Lydonia Canyon, off the United States northeastern coast. The coatings, which are about 17 µm thick, consist of an outer manganese-rich layer which covers the top of the erratic, a middle transitional layer, and an internal iron-rich layer that encircles the entire surface of the erratic. Chemical analyses of the coatings, when compared with similar data on abyssal marine ferromanganese deposits, reveal comparable Mn/Fe ratios, higher P and Ti concentrations, and an order of magnitude less of Co, Ni, Cu, and most other metals. A comparison of the Lydonia Canyon coatings with desert varnishes reveals obvious chemical, mineralogical, and morphological differences.
format Dataset Open Access
id pangaea_https___doi_org_10_1594_PANGAEA_855687
institution PANGAEA
language en
publishDate 1985
publisher PANGAEA
record_format pangaea
spellingShingle (Table 1, page 129) Chemical composition of ferromanganese coating on glacial erratics from Lydonia Canyon
Poppe, L J
Aluminium oxide; ALV-1264; ALV-1268; ALV-1270; ALV82; Alvin; Arsenic; Atomic absorption spectrometry (AAS); Barium; Cadmium; Calcium oxide; Cobalt oxide; Copper(II) oxide; Date/Time of event; DEPTH, sediment/rock; Description; Elevation of event; Energy dispersive X-ray fluorescence spectrometer (ED-XRF); Event label; Grab; GRAB; Iron oxide, Fe2O3; Latitude of event; Lead; Longitude of event; Lydonia Canyon, Atlantic Ocean; Magnesium oxide; Manganese dioxide; Nickel oxide; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Phosphorus pentoxide; Potassium oxide; Sample ID; Silicon dioxide; Sodium oxide; Titanium dioxide; Water in rock; Yttrium; Zinc; Zirconium
Ferromanganese coatings have been found on glacial erratics in Lydonia Canyon, off the United States northeastern coast. The coatings, which are about 17 µm thick, consist of an outer manganese-rich layer which covers the top of the erratic, a middle transitional layer, and an internal iron-rich layer that encircles the entire surface of the erratic. Chemical analyses of the coatings, when compared with similar data on abyssal marine ferromanganese deposits, reveal comparable Mn/Fe ratios, higher P and Ti concentrations, and an order of magnitude less of Co, Ni, Cu, and most other metals. A comparison of the Lydonia Canyon coatings with desert varnishes reveals obvious chemical, mineralogical, and morphological differences.
title (Table 1, page 129) Chemical composition of ferromanganese coating on glacial erratics from Lydonia Canyon
topic Aluminium oxide; ALV-1264; ALV-1268; ALV-1270; ALV82; Alvin; Arsenic; Atomic absorption spectrometry (AAS); Barium; Cadmium; Calcium oxide; Cobalt oxide; Copper(II) oxide; Date/Time of event; DEPTH, sediment/rock; Description; Elevation of event; Energy dispersive X-ray fluorescence spectrometer (ED-XRF); Event label; Grab; GRAB; Iron oxide, Fe2O3; Latitude of event; Lead; Longitude of event; Lydonia Canyon, Atlantic Ocean; Magnesium oxide; Manganese dioxide; Nickel oxide; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Phosphorus pentoxide; Potassium oxide; Sample ID; Silicon dioxide; Sodium oxide; Titanium dioxide; Water in rock; Yttrium; Zinc; Zirconium
url https://doi.org/10.1594/PANGAEA.855687