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Self Collected
Submissions open
Any specimen that you personally pulled from the earth.
How Rock Battles work:
Collectors enter matching specimens from their Geology365 collections while submissions are open.
When the bracket starts, logged-in users vote head-to-head each round until one champion remains.
Each matchup gets one vote per collector; votes lock in once cast.
See full rules for this battle ↓
Want to sponsor a battle? Email rockbattle@Geology365.com
Submissions are open · Voting starts 11/8/2026 6:39 pm.
Log in to submit from your collection.
The Bracket
Bracket preview — matchups fill in when voting starts (11/8/2026 6:39 pm) . Slots below show TBD until specimens are seeded.
Round 1
Round 2
Round 3
Championship
Rock Battle rules: Self Collected
Self Collected is a single-elimination Geology365 Rock Battle. Logged-in collectors can enter matching specimens from their collection, then vote on matchups until a champion is crowned.
- Each logged-in user may enter up to 2 specimens in this battle.
- Collectors may withdraw a specimen while submissions are still open.
- The bracket is limited to 32 specimens total (currently 9 entered), and needs at least 16 entries to launch.
- Any specimen in a member’s collection may be entered while submissions are open.
- The battle’s active submission window runs from 10/7/2026 12:00 am through 11/8/2026 6:39 pm.
- Specimens can be registered while the battle status is open until 11/8/2026 6:39 pm , or until the field fills to 32 entries .
- Voting is scheduled to begin 11/8/2026 6:39 pm.
- Each voting round lasts 2 days. Matchups advance in a single-elimination bracket until one specimen remains.
- Logged-in users may cast one vote per matchup. Votes lock in once cast and cannot be changed. Live standing bars appear after you vote; total vote counts are shown once enough collectors have weighed in.
- You must own a specimen to enter it. Anyone with a Geology365 account may vote once voting begins.
Log in to vote
Casting a vote requires a free Geology365 account. Log in or create an account to pick a winner and see live standings.