Identification of hydrovolcanism and its significance for hydrocarbon reservoir assessment: A review

Xian, Ben-Zhong; He, Yan-Xin; Niu, Hua-Peng; Wang, Jun-Hui; Liu, Jian-Ping; Wang, Zhen

doi:10.1186/s42501-018-0010-6

Journal of Palaeogeography

Table 1 Identification marks of the hydrovolcanism and its applicable eruption types

From: Identification of hydrovolcanism and its significance for hydrocarbon reservoir assessment: A review

Identification marks				Typical characteristics	Analysis technology	Application type	Indicative environment	Literature
Eruptive products	Microtextures	Quenching cracks		Small-scale regular cracks or	TS, SEM	Explosive eruption	Eruption environment	Yu et al. 2011
		Bread-crusted structure		fractures resulted from	TS, SEM
		Stepped fractures		magma−water interaction	TS, SEM
		Cracks through particles		Long cracks caused by rapid quenching	TS, SEM			Yu et al. 2008; Yu 2012
		Chilled margin		Vitric, thick, developed in fluidal pyroclasts margin	TS, CO		Depositional environment	Simpson and McPhie 2001
		Perlitic texture		An arc-shaped fissure texture similar with pearl formed from acidic lava interacted with water	TS, CO		Depositional environment	Zhang et al. 2007
		Grain size and its parameters		Phreatomagmatic explosion: Small grain size, poor sorting, high fractal dimension	TS, GS		Eruption environment	Cas and Wright 1987
		Roundness		Volcanic lapilli turned rounded resulted from multi-cycle of subaqueous volcanic vent	SC, TS, OC		Eruption environment	Belousov and Belousova 2001
		Quenching texture		Particles with angular, shaped margins, poor sorting, few or no vesicle	TS	Explosive + effusive eruption	Eruption or depositional environment	Liu 1995; Simpson and McPhie 2001
		Cementation type		Lack of magma cementation, majority of welded texture	TS	Explosive eruption	Eruption environment	Simpson and McPhie 2001
		Vesicularity		Lack of vesicles in pyroclasts particles	TS, SEM		Eruption environment	De Rita et al. 2002; Yu et al. 2011
	Special structures	Large-scale cross-beddings		Planar-parallel bedding and low-angle cross-bedding, hummocky cross-bedding, antidune cross-bedding	CO, OC		Eruption environment	Fisher et al. 1983; Liu and Wang 1987; Liu et al. 2008
	Special structures	Pillow structures		Spherical structure, pillow structure lava	CO, OC	Effusive eruption	Eruption and depositional environment	Zhang et al. 2007
	Lithofacies and facies associations	Lithofacies	Perlite	Perlite, pillow perlite, two-layer perlite interbedded with non-porphyritic or less-porphyritic rhyolite	TS, CO, OC		Depositional environment	Zhang et al. 2007; Shan et al. 2013
			Peperite	Peperite	TS, CO, OC		Depositional environment	Skilling et al. 2002
			Spilite	Spilite, keratophyre and quartz-keratophyre successions			Eruption environment	Yang 2000
		Facies associations (from bottom to top)	Effusive eruption	1) Quenching hyaloclastite; 2) Pillow breccia (autobrecciation); 3) Insular pillow lava; 4) Pillow lava; 5) Massive lava	TS, CO, OC		Eruption environment	Liu 1995
		Facies associations (from bottom to top)	Explosive eruption	1) Autobreccia lava; 2) Massive accretionary lapilli-bearing welded tuff; 3) Poor-welded pyroclastic rock or peperite; 4) Pyroclastic rock	Petro.	Explosive eruption	Eruption environment	De Rita et al. 2002; Allen and Mcphie 2009; Manville et al. 2009
	Oxidation index			Fe₂O₃/FeO < 1 — Weakly reducing environment; Fe₂O₃/FeO < 0.8 — Strongly reducing environment	XRF, CM	Explosive + effusive eruption	Depositional environment	Qiu 1985; Shan et al. 2013
Associated environment	Overlying sedimentary environment			1) Shale color; 2) Sedimentary structure; 3) Fossils; 4) Organic biomarkers; 5) Geochemical parameters of trace elements (like Sr/Ba)	Sed., Palaeo., ICP−MS			Kokelaar and Busby 1992
Associated environment	Underlying sedimentary environment				Sed., Palaeo., ICP−MS			Kokelaar and Busby 1992

Analysis technology: TS Thin section, SEM Scanning electron microscope, CO Core observation, OC Outcrop, SC Stereoscope, GS Grain size analysis, XRF X-ray fluorescence, CM Chemical analysis, ICP–MS Inductively coupled plasma-mass spectrometry. Abbreviation: Petro. Petrology, Sed. Sedimentology, Palaeo. Palaeontology. Indicative environments are the environment that the identification marks demonstrate or represent

Back to article page