Annotated record of the detailed examination of Mn deposits observed near the Median Rift Valley of the Atlantic Ocean

Metamorphosed and metasomatized basalts, and unmetamorphosed equivalents, were recovered from the steep slopes of Bald Mountain, a north-south elongated seamount lying 60 km west of the Median Rift Valley at 45° N. Block faulting and uplift of the seamount, together with the removal by submarine ero...

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Hauptverfasser:	Aumento, Fabrizio, Loncarevic, B D
Format:	Dataset
Sprache:	eng
Schlagworte:	Deposit type DEPTH, sediment/rock Description Dredge Event label File name HUD66/19 Hudson Identification NOAA and MMS Marine Minerals Geochemical Database (NOAA-MMS) Photo/Video Position Quantity of deposit Size Substrate type Uniform resource locator/link to image Visual description
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creator	Aumento, Fabrizio Loncarevic, B D
description	Metamorphosed and metasomatized basalts, and unmetamorphosed equivalents, were recovered from the steep slopes of Bald Mountain, a north-south elongated seamount lying 60 km west of the Median Rift Valley at 45° N. Block faulting and uplift of the seamount, together with the removal by submarine erosion of extrusive rocks capping the seamount, have resulted in the exposure of the more deep-seated metamorphosed horizons along the fault scarps. The block-faulted nature of Bald Mountain, indicative of brittle fracturing of the upper crustal layers of the Mid-Atlantic Ridge, may be a result of the low ocean floor spreading rates implied from age determinations and magnetic anomaly patterns at 45° N.
doi_str_mv	10.1594/pangaea.870721
format	Dataset
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Block faulting and uplift of the seamount, together with the removal by submarine erosion of extrusive rocks capping the seamount, have resulted in the exposure of the more deep-seated metamorphosed horizons along the fault scarps. 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Block faulting and uplift of the seamount, together with the removal by submarine erosion of extrusive rocks capping the seamount, have resulted in the exposure of the more deep-seated metamorphosed horizons along the fault scarps. 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Block faulting and uplift of the seamount, together with the removal by submarine erosion of extrusive rocks capping the seamount, have resulted in the exposure of the more deep-seated metamorphosed horizons along the fault scarps. The block-faulted nature of Bald Mountain, indicative of brittle fracturing of the upper crustal layers of the Mid-Atlantic Ridge, may be a result of the low ocean floor spreading rates implied from age determinations and magnetic anomaly patterns at 45° N.</abstract><pub>PANGAEA</pub><doi>10.1594/pangaea.870721</doi><oa>free_for_read</oa></addata></record>
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identifier	DOI: 10.1594/pangaea.870721
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subjects	Deposit type DEPTH, sediment/rock Description Dredge Event label File name HUD66/19 Hudson Identification NOAA and MMS Marine Minerals Geochemical Database (NOAA-MMS) Photo/Video Position Quantity of deposit Size Substrate type Uniform resource locator/link to image Visual description
title	Annotated record of the detailed examination of Mn deposits observed near the Median Rift Valley of the Atlantic Ocean
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