PANGAEA_874290 Annotated record of the detailed examination of Mn deposits from DSDP Leg 67 (Holes 495, 496, 497, 499, 499B, 499C, 500) Aubouin, Jean; von Huene, Roland; et al. Annotated record of the detailed examination of Mn deposits from DSDP Leg 67 (Holes 495, 496, 497, 499, 499B, 499C, 500) 1982 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.874290 Earth Science Event label Identification Sample code/label DEPTH, sediment/rock Position Deposit type Quantity of deposit Substrate type Sediment type Comment Description geoscientificInformation 67-495 67-496 67-497 67-499 67-499B 67-499C 67-500 Drilling/drill rig Leg67 Visual description Glomar Challenger 1979-05-26 1979-06-18 Complete 12.4963 13.0637 -91.03769999999997 -90.79520000000002 13.66 m (DEPTH, sediment/rock) 428.75 m (DEPTH, sediment/rock) DSDP Deep Sea Drilling Project NOAA-MMS NOAA and MMS Marine Minerals Geochemical Database unrestricted CC-BY-3.0: Creative Commons Attribution 3.0 Unported English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

Leobener Str.

Bremen Bremen 28359 Germany online 116 data points text/tab-separated-values Westberg, Jean; Thompson, Peter R; Shiki, Tsunemasa; Muzylov, Nikita; Ladd, John W; Hesse, Reinhard; Harrison, William E; Faas, Richard W; Dengo, Carlos A; Curiale, Joseph A; Cowan, Darrel S; Coulbourn, William T; Azéma, Jacques; Aubouin, Jean; von Huene, Roland (1982): Initial Reports of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project, U.S. Government Printing Office, LXVII, 799 pp, https://doi.org/10.2973/dsdp.proc.67.1982 Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN

The Oaxaca transect, located off southern Mexico and drilled during Leg 66, sampled a truncated margin and subduction complex. In contrast, the Guatemala transect was selected because accretion was thought to have continued in this area during most of the Tertiary. Site surveys conducted by the University of Texas Marine Science Institute provided multichannel seismic records, among which profile GUA-13 was chosen as the location for Leg 67 drill holes. Selection of this transect arises in part from the fact that it includes a portion of the San José Canyon, thus layers of hemipelagic drape may have been stripped away by erosion, allowing quicker access to deep horizons. By studying the continental margin off Guatemala it was hoped to strengthen the tie between offshore and onshore geology, to describe the stratigraphic sequence from the continental slope to the subducting oceanic plate beneath, to recover in ash layers a record of Central American volcanism. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.874290"! ** From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.

https://doi.org/10.2973/dsdp.proc.67.1982 Initial Reports of the Deep Sea Drilling Project https://doi.org/10.7289/V52Z13FT The NOAA and MMS Marine Minerals Geochemical Database https://doi.org/10.7289/V53X84KN The NOAA and MMS Marine Minerals Bibliography https://wiki.pangaea.de/wiki/NOAA-MMS NOAA-MMS https://www.deepseadrilling.org/ DSDP https://www-odp.tamu.edu:443/glomar.html Glomar Challenger DIF 9.4 2026-06-15