#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
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-09-28 17:25 UTC
0
09-22
0
09-23
0
09-24
0
09-25
0
09-26
0
09-27
0
09-28

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-09-28 17:25 UTC

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-09-28 17:25 UTC

Everything below is measured over the latest 40 public posts (spanning ~24117 hours).

Posting hours (UTC) — busiest: 19:00

00:0012:0023:00

Languages: English (37) · German (1) · Dutch (1)

Avg boosts / post: 1.5

Top of the latest posts

  • McGill: Assistant Professor in Earth and Planetary Sciences, Solid Earth Processes (Tenure Track) We seek a colleague who investigates the chemical, mineralogical, and physical composition of the solid Earth and its interactions with other

    Bill Minarik@[email protected]♥ 2↻ 62026-08-04 15:41 UTCView post →
  • Two tenure-track positions open in the Department of Earth and Planetary Sciences, McGill University: Critical Minerals for Sustainability https://fosstodon.org/@silicatefondue/117038018181608766 Solid Earth Processes https://fosstodon.org/

    Bill Minarik@[email protected]♥ 0↻ 22026-08-24 15:49 UTCView post →
  • Collapse and resurgence of the Iceland mantle plume Drilling operations IODP drilling operations, site descriptions and sample descriptions can be found in the Proceedings of IODP… #Iceland #IS #Europe #Europa #EU #Geochemistry #Geodynamics

    Iceland@[email protected]♥ 0↻ 02026-07-22 16:27 UTCView post →

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