I am planning to apply for a topic in this area to study the petrological and geochemical characteristics of this rock.
Hello
This is a very interesting discovery. Congratulations! You can find a description of this rock in the following publications.: Peperite: a review of magma sediment mingling by : I.P. Skilling , J.D.L. White , J. McPhie. or in Le Maître, R. W. et al. (Eds.) 2002. Igneous Rocks: A Classification and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks. by R. W. Le Maitre,A. Streckeisen,B. Zanettin,M. J. Le Bas,B. Bonin,P. Bateman .
I hope I helped you. I wish you further interesting discoveries!
Best regards Michał Ruszkowski
Very nice rocks with fluid margins, indicating host rock was soft during intrusion. Would be very interesting to study, depending on the chemistry of magma and lithology of host rock.
Success in your further work.
Thank you very much for your advice. I will work further on the peperite from Tianshan Mountains.
Nice pictures, Liu. I wonder if those rocks are pelagic cherts or radiolarites and the magmatic ones are basalts and dunites (third picture). If so, it would be a complex magma-sediments situation. Is that an ophiolitic assemblage? Cheers.
In these rocks, the magma components are mainly andesite, and clastic rock components may be siltstone. I am making light sheets to study their petrological components.
Dear Liu, very nice pictures.
You can also find interesting descriptions of these exotic rocks in a Special Issue of the Journal of Volcanology and Geothermal Research: Peperite: processes and products of magma-sediment mingling (Volume 114, Issues 1-2, 2002, ISSN 0377-0273).
My best regards
Michele
Dear Michele ,
Thank you for the article. I am not very clear about the distribution of molten rock around the world, but I believe that the molten rock is definitely a very interesting rock. At present, there are probably five places that have been discovered as peperite in China.
Best wishes,
Liu Chenming
Dear Liu,
yes, these molten rocks are very interesting lithologies.
Have a nice work,
My best
Michele
Dear Liu,
It is a good discovery, It should change the geodynamic model. It is phreatomagmatic proof.
I recommand :
Skilling et al. 2002. Peperite: a review of magma^sediment mingling. Journal of Volcanology and Geothermal Research 114 (2002) 1-17
and
Richard et 2002. Characteristics and origin of peperite involving coarse-grained host sediment
Journal of Volcanology and Geothermal Research 114 (2002) 45-61
best regards
Prof. Amina WAFIK
Cette photo est très interessante à exploiter pour la caracterisation des incnclusions fluides
Elle peut aussi à partir des données d'analyses chimiques remonter à la source
Bonne suite pour ta recherche
Dear Liu
you can refer my publication on peperite.
Article Peperite Occurrence and its Implications on Origin and Tempo...
Dear Sinha,
Thank you for your the article "Peperite Occurrence and its Implications on Origin and Temporal Development of the Proterozoic Dhala Basin, Mohar Area, Shivpuri District, Madhya Pradesh". Thank you for sharing the research results.
Best wishes,
Liu Chenming
Hi Liu Chenming:
Interesting rocks!
The key is to map this rock outcrops out to see the extension of the unit, i.e. thickness, lateral extension, contacts with overlying and underlying rocks. Then, look at all fragments (size, shape, rock type, contatc with the hosted siltstone? etc.) in detail, and describe petrographic features to interpret its possible origin - if it is peperite, or tectonic beccia, or others.
Regards,
Xue-Ming
Dear Liu,
Following reading some replies above about your question, I should highlight that these textures are simply caused by magma-water interaction in a geological setting.
The most crucial information about it that this important result will give us is co-eval magma settlement and sedimentation process. If you conduct radiometric analysis from these lavas, you can find the age of sedimentation directly. Another point is that if the environment is not a marine, whilst a terrestrial environment, this sedimentation might also indicate a very important simultaneous geological processes such as crustal stress, basin fill and magma eruption to surface settlement.
All the best
We identified by light thin sections that the purple-red part of the peperite may contain volcanic gray matter.
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