#petrology

Live, measured metrics for the hashtag #petrology from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #petrology

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$51.02/ year · 9-character #name
Claim #petrology — $51.02/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
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Uses / 7 days
Mastodon
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Accounts / 7 days
Mastodon
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Recent posts
Mastodon
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Recent pace
Mastodon · last 0
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Avg reactions / post
Mastodon · last 0
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Reddit posts / month
Reddit search
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Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-25 22:43 UTC

No measured public usage for #petrology in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-09-25 22:43 UTC

No related tags with measured usage found for #petrology.

Live pulse

measured · Mastodon tag timeline · fetched 2026-09-25 22:43 UTC

No recent public posts found for #petrology on Mastodon. Nothing measured, so nothing shown.

What “petrology” means

Wiktionary · Wikipedia

petrology/pɛˈtɹɒlədʒi/

  • nounThe study of the origin, composition and structure of rock.
Full entry on Wiktionary →

Petrology is the branch of geology that studies rocks, their mineralogy, composition, texture, structure and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology. Igneous and metamorphic petrology are commonly taught together because both make heavy use of chemistry, chemical methods, and phase diagrams. Sedimentary petrology is commonly taught together with stratigraphy because it deals with the processes that form sedimentary r

“Petrology” on Wikipedia (CC BY-SA) →

#petrology across platforms

every network with a public tag surface

Follow #petrology straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/petrology