What's the plural form of petrogenesis? Here's the word you're looking for.
Answer
The noun petrogenesis can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be petrogenesis.
However, in more specific contexts, the plural form can also be petrogeneses e.g. in reference to various types of petrogeneses
or a collection of petrogeneses.
Examples
Hoskin P, Schaltegger U The composition of zircon and igneous and metamorphic petrogenesis.
Petrogenesis Igneous petrogenesis is the process or set of processes by which igneous rocks are formed.
This research represents a continuing effort to understand the petrogenesis of diogenites and their relationship to eucrites.
Most arc magmas have also undergone complex fractionation and contamination paths, which make attempts to quantify their petrogenesis difficult.
Their segments are geographically co-linear and appear to share the same petrogenesis, and so both are considered to be co-magmatic intrusions.
Petrogenesis and Geochemistry of the Tertiary-Quaternary Volcanic Rocks from Oku-Ndu Area NW Cameroon.