Relating to or denoting a mineral deposit or formation produced at the same time as the enclosing or surrounding rock.
- ‘Two terms that are still commonly encountered when discussing the classification of ore deposits are syngenetic and epigenetic.’
- ‘A syngenetic origin of sulphides was suggested by early workers, mainly based on the stratiform and stratabound occurrence of the sulphides in ironstone.’
- ‘Setting quartz inclusions (at least the protogenetic and syngenetic ones) apart from your standard-issue nine-to-five mineral is the fact that they are stuck inside another growing mineral (quartz).’
- ‘Paragenetic evidence indicates that the manganese oxides are pre-or syngenetic with respect to the barite.’
We take a look at several popular, though confusing, punctuation marks.