Recent Examples of flowstone from the Web
Two labs independently showed that the flowstone was about 236,000 years old, meaning that the underlying H. naledi remains had to be older.
Getting a maximum age proved trickier; no flowstone sandwiched the fossils from below.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flowstone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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