Khim Boo-Keun bkkhim@pusan.ac.kr Pusan National University Pusan National University Kim Sunghan delongksh@kopri.re.kr 0000-0003-4245-8389 Korea Polar Research Institute KOPRI http://eng.kopri.re.kr https://ror.org/00n14a494 Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 Fukui Prefectural Satoyama-Satoumi Research Institute 2024 Opal contents at IODP U1417 (Gulf of Alaska) during Late Miocne to Early Pleistocene dataset https://doi.org/10.1594/PANGAEA.972120 2024-09-03T07:15:40 International Ocean Discovery Program Site U1417 in the Surveyor (Gulf of Alaska) preserves the hemi-pelagic sediments influenced by the glacial and fluvi-al depositional from the Cordilleran Ice Sheet at the Chugach–St. Elias Mountains and Coast Ranges. A total of 441 samples covering the late Miocene to early Pleistocene were used to measure the biogenic opal content to trace the degree of diatom productivity in the surface water. In general, the biogenic opal content, fluctuating from less than 1% to a maximum of 48.6%, confirms the division of lithostratigraphic units and subunits: diatom-bearing clay-rich intervals vs clast-rich terrigenous intervals. The dataset presents Biogenic opal contents at U1417 from the Late Miocene to the Late Pleistocene, along with lithological units defined in the proceeding of IODP Expeition 341 (Jaeger et al., 2014). Biogenic opal contents at U1417 from the Late Miocene to the Late Pleistocene, along with lithological units defined in the proceeding of IODP Expeition 341 (Jaeger et al., 2014). Khim Boo-Keun bkkhim@pusan.ac.kr Kim Sunghan delongksh@kopri.re.kr 0000-0003-4245-8389 Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 2026 Biogenic Opal Deposition in the Surveyor Fan (IODP Site U1417) in the Gulf of Alaska (North Pacific) During the Late Miocene to Early Pleistocene journal article Geochemistry, Geophysics, Geosystems 27(2) https://doi.org/10.1029/2025GC012173 e2025GC012173 Jaeger John M 0000-0003-0248-489X Gulick Sean P S sean@ig.utexas.edu 0000-0003-4740-9068 LeVay Leah J 0000-0003-3031-7079 Asahi H Bahlburg H Belanger Christina L christina.belanger@tamu.edu 0000-0002-1582-7647 Berbel Glaucia B Benedetti Childress Laurel B 0000-0002-9691-3570 Cowan Ellen A cowanea@appstate.edu 0000-0001-6512-5769 Drab Laureen Forwick Matthias matthias.forwick@uit.no https://en.uit.no/ansatte/matthias.forwick 0000-0001-6153-5891 Fukumura A Ge Shemin Gupta S M Kioka Arata 0000-0002-0922-1112 Konno S März C E Matsuzaki Kenji M km.matsuzaki@eps.s.u-tokyo.ac.jp 0000-0001-8918-9249 McClymont Erin L erin.mcclymont@durham.ac.uk 0000-0003-1562-8768 Mix Alan C alan.mix@oregonstate.edu 0000-0001-7108-3534 Moy Christopher M chris.moy@otago.ac.nz 0000-0002-2177-5265 Müller J Nakamura A Ojima Takanori Ridgway K D Rodrigues Ribeiro F Romero Oscar E oromero@uni-bremen.de https://www.researchgate.net/profile/Oscar-Romero-21 0000-0003-0209-3258 Slagle Angela L 0000-0001-6788-7978 Stoner Joseph S joe.stoner@oregonstate.edu 0000-0002-4848-5452 St-Onge Guillaume Guillaume_St-Onge@uqar.ca 0000-0001-6958-4217 Suto Itsuki suto.itsuki@a.mbox.nagoya-u.ac.jp Walczak Maureen H mwalczak@uw.edu 0000-0002-4123-6998 Worthington Lindsay L IODP Expedition 341 Scientists 2014 Site U1417 book chapter In: Proceedings of the IODP, Integrated Ocean Drilling Program https://doi.org/10.2204/iodp.proc.341.103.2014 -147.10997500000002 -147.10997500000002 56.95983 56.95983 -147.10997500000002 56.95983 2013-06-13T00:00:00 2013-06-17T00:00:00 276.685 707.48 vertical profile IODP Integrated Ocean Drilling Program / International Ocean Discovery Program https://www.iodp.org/ 341-U1417D 56.95983 -147.10996 Southern Alaska Margin -4187.0 2013-06-13T00:00:00 Exp341 Southern Alaska Margin: Tectonics, Climate and Sedimentation 2013-05-26T00:00:00 2013-07-27T00:00:00 Joides Resolution https://www-odp.tamu.edu:443/resolutn.html Jaeger, John Gulick, Sean P S Joides Resolution https://www-odp.tamu.edu:443/resolutn.html Drilling/drill rig DRILL 64 cores; 466.5 m cored; 65.3 % recoverd, 470.3 m penetrated 341-U1417E 56.95983 -147.10999 Southern Alaska Margin -4188.6 2013-06-17T00:00:00 Exp341 Southern Alaska Margin: Tectonics, Climate and Sedimentation 2013-05-26T00:00:00 2013-07-27T00:00:00 Joides Resolution https://www-odp.tamu.edu:443/resolutn.html Jaeger, John Gulick, Sean P S Joides Resolution https://www-odp.tamu.edu:443/resolutn.html Drilling/drill rig DRILL 37 cores; 348.7 m cored; 42.1 % recoverd, 709.5 m penetrated 1764 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ Event label Event Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 Event Sample code/label Sample label DSDP/ODP/IODP sample designation hdl:10013/epic.27914.d001 Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 Sample label DEPTH, sediment/rock Depth sed m depth http://purl.obolibrary.org/obo/PATO_0001595 sediment http://purl.obolibrary.org/obo/ENVO_00002007 rock Length L http://dbpedia.org/resource/Length Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 CSF-A Depth sed [m] Depth, composite Depth comp mcd depth http://purl.obolibrary.org/obo/PATO_0001595 Luminous Intensity J http://dbpedia.org/resource/Luminous_intensity Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 CCSF Depth comp [mcd] Opal, biogenic silica bSiO2 % opal https://www.mindat.org/min-3004.html biogenic silica http://purl.obolibrary.org/obo/CHEBI_64389 Dimensionless Ratio ψ Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 bSiO2 [%] Lithologic unit/sequence Unit sequence Asahi Hirofumi asahi_hirofumi@icloud.com 0000-0002-3803-7832 Unit CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels citable biogenic opal early Pleistocene Gulf of Alaska IODP 341 Late Miocene U1417 author107104 author107105 author107106 author107107 author107108 author10951 author22340 author24444 author27673 author28058 author28304 author29583 author39882 author39888 author404 author42363 author42862 author43946 author46654 author48817 author49787 author50617 author55116 author62387 author65575 author65606 author67905 author68320 author68321 author68322 author68323 author68324 author68326 author68328 author68330 author68331 author72451 basis5 campaign3397515 campaign34815 curlevel30 event2844069 event2844070 geocode1 geocode1599 geocode1600 geocode1601 geocode8128 inst20233 inst21293 inst21296 journal6006 license21 method10974 method5059 param2 param5440 param71 param790 pi49787 project4048 ref128500 ref128527 term1073131 term1073209 term37737 term38263 term39421 term41056 term41260 term43794 term43863 term43884 term49980 term51060 term51204 term69338 term71025 term74683 topotype3