South China Sea crustal thickness and oceanic lithosphere
- Slides: 15
South China Sea crustal thickness and oceanic lithosphere distribution from satellite gravity inversion by Simon Gozzard, Nick Kusznir, Dieter Franke, Andrew Cullen, Paul Reemst, and Gijs Henstra Petroleum Geoscience Volume 25(1): 112 -128 February 14, 2019 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Regional bathymetry showing the location of seismic line 1 and features referenced in the text: MB, Macclesfield Bank; MT, Manila Trench; PRMB, Pearl River Mouth Basin; RB, Reed Bank; SB, Shuangfeng Basin; XT, Xisha Trough. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Data used in the gravity inversion in addition to bathymetry. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Crystalline crustal thickness predicted by gravity inversion incorporating a lithosphere thermal gravity-anomaly correction for the South China Sea and adjacent margins. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
(a) Moho depth. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Crustal thickness and continental lithosphere thinning (1− 1/β) determined from gravity inversion showing sensitivity to ocean isochron and break-up ages used to determine the lithosphere thermal gravity-anomaly correction. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Sensitivity of crustal thickness and continental lithosphere thinning determined from gravity inversion to reference Moho depth used in the gravity inversion. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Sensitivity of crustal thickness and continental lithosphere thinning determined from gravity inversion to sediment thickness used in the gravity inversion. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Sensitivity of crustal thickness and continental lithosphere thinning determined from gravity inversion to magmatic addition from decompression melting. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
The composite BGR seismic reflection line (line 1 in Fig. 1 a) from offshore China to Palawan. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Crustal cross-sections with Moho from gravity-anomaly inversion along line 1. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
(a) Depth-converted cross-section along the BGR line (line 1) showing post-rift, synrift and prerift sediment sequences. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
(a) Crustal basement thickness from gravity inversion with superimposed shaded relief free-air gravity anomaly. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
(a) Crustal thickness from gravity inversion with superimposed shaded relief magnetic anomaly (EMAG 2 -v 3). Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
Crustal cross-sections with Moho depth from gravity inversion showing the along-strike variations of OCTZ structure and ocean-basin width for the South China Sea. Simon Gozzard et al. Petroleum Geoscience 2019; 25: 112128 © 2018 The Author(s). Published by The Geological Society of London for GSL and EAGE
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