Reservoir space within reef-shoal carbonates was primarily formed during syngenetic and burial stages.
Wenzhi ZHAO, Anjiang SHEN, Jingao ZHOU, Xiaofang WANG, Junming LU 2014, 'Types, characteristics, origin and exploration significance of reef-shoal reservoirs:A case study of Tarim Basin, NW China and Sichuan Basin, SW China', Petroleum Exploration and Developmenthttp://www.sciencedirect.com/science/article/pii/S1876380414600343. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
They are syngenetic and belong to the same nappe.
P. Sipilä 1991, 'Mafic and ultramafic igneous rocks of the Raisduoddar-Halti area in the Finnish-NorwegianCaledonides. Petrography, mineralogy and geochemistry', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume63/sgs_bt_063_1_pages_015_024.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Early syngenetic models and hydrothermal models dominated by meteoric fluids are now clearly unacceptable.
David I. Groves, M. Santosh 2016, 'The giant Jiaodong gold province: The key to a unified model for orogenic gold deposits?',Geoscience Frontiershttp://www.sciencedirect.com/science/article/pii/S1674987115000912. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Syngenetic depositional pyrite component type spread sporadically on the surface of the coal seam in the form frambiodal and particulates.
Budi Prayitno 2016, 'Limnic Condition In Rheotrhopic Peat Type As the Origin of Petai Coal, Central SumatraBasin, Indonesia', JGEET: Journal of Geoscience, Engineering, Environment and Technologyhttp://journal.uir.ac.id/index.php/JGEET/article/view/9. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, the rates, conditions and formation process of syngenetic spherical concretions are still not fully clear.
Hidekazu Yoshida, Koshi Yamamoto, Masayo Minami, Nagayoshi Katsuta, Sirono Sin-ichi,Richard Metcalfe 2018, 'Generalized conditions of spherical carbonate concretion formation around decayingorganic matter in early diagenesis', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-018-24205-5. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Syngenetic, intermediate schorl-dravite tourmalines were formed under submarine, sedimentary-exhalative conditions; amphibolite-grade metamorphism did not strongly affect their compositions.
Gianna M. Garda, Paulo Beljavskis, Caetano Juliani, Dailto Silva 2003, 'Geochemistry of tourmalines associated with iron formation and quartz veins of theMorro da Pedra Preta Formation, Serra do Itaberaba Group (São Paulo, Brazil)', Anais da Academia Brasileira de Ciênciashttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652003000200008. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The mineral matter occurs in association with vitrinite and inertinite macerals as syngenetic and epigenetic mineral phases.
Asep K. Permana, C. R. Ward, L. W. Gurba 2014, 'Maceral Characteristics and Vitrinite Reflectance Variation of The High Rank Coals,South Walker Creek, Bowen Basin, Australia', Indonesian Journal on Geosciencehttps://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/156. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The presence of siderite and pyrite of syngenetic or penecontemporaneous origin indicate they were emplaced during peat accumulation.
Xibo Wang, Lili Zhang, Yaofa Jiang, Jianpeng Wei, Zijuan Chen 2016, 'Mineralogical and Geochemical Characteristics of the Early Permian Upper No. 3 Coalfrom Southwestern Shandong, China', Mineralshttp://www.mdpi.com/2075-163X/6/3/58. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)