#archean
Live, measured metrics for the hashtag #archean from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #archean
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.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-29 19:21 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-29 19:21 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-29 19:21 UTCEverything below is measured over the latest 17 public posts (spanning ~25707 hours).
Posting hours (UTC) — busiest: 17:00
Languages: English (17)
Avg boosts / post: 2.4
Top of the latest posts
A very cool talk this week at GEOTOP by André Pellerin, University of Quebc at Rimouski. He spoke on the strange chemistry and biology of Lake Untersee, east Antarctica. This lake is perpetually ice-covered and the bottom covered with #stro
Today, molybdenum is one of the most common trace elements in the ocean due to oxidative weathering of #Molybdenite. But in the Archean the oceans were reducing, and molybdenum was scarce. Other nitrogenases evolved to use other transition
Massive #hematite later brecciated by quartz veining, From the Soudan ironstone, Ely greenstone belt, Vermilion district of northern Minnesota. These ironstones are sandwiched between pillow basalts of approximately 2.7 billion years old. #
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/archean