Field reports

Ninety days on the Stickney rim

Two Lodeseeker rovers, three crew each and a Wren Microlifter on call: the traverse that mapped the Stickney Rim Neodymium Field for the Phobos Regolith Syndicate.

Save the date: Leviathan Charter Season Briefing

Mark 31 October 2026 in your calendar. Leviathan Charter Season Briefing, a webinar, meets at Online, broadcast from the Guildhall, Ceres, and it is hosted by Ferrovane Prospecting Guild.

The Kerwan boundary dispute, and why claimstakes talk

Two crews, one rhodium vein and a boundary that moved forty metres overnight. The Claims Registrar explains how the Kerwan dispute was settled in three days instead of three years.

Field release: Galileo Regio Rare Earths

Survey crews have finished their work on Galileo Regio Rare Earths, a deposit at Galileo Regio dark terrain, Ganymede, 10-240 m. The record is published under these terms: Auction lot 12.

Thumping Tharsis: listening for dysprosium dykes

Carbonatite dykes on the Tharsis flank carry some of the richest dysprosium grades in the inner system. Finding them a kilometre down took a seismic mapper and a lot of patience.

Working the Loki margin without cooking the crew

Io sits deep in Jupiter's radiation belts, and the Loki Margin Scandium Crust is radiation-restricted. The Guild's safety officer explains the shift rules that keep crews healthy.

Field-ready: Tether Anchor Kit

A new Microgravity anchoring kit has joined the Guild equipment roster. The Tether Anchor Kit has worked claims since April 2174, and it has earned its place on survey manifests from Vesta to Callisto.

Throwing rock away is the cheapest thing we do

An engineer at the Rheasilvia Toolworks explains why the Sieve Ore-Sorting Rig earns more by rejecting rock than any refinery earns by processing it.

AssayKit LIBS Toolkit is now open to members

We are opening access to AssayKit LIBS Toolkit, a open tool covering Spectra Assay Lance firmware and desktop. Terms: Apache-2.0.

Save the date: Microgravity Anchoring Masterclass

Mark 13 November 2026 in your calendar. Microgravity Anchoring Masterclass, a meetup, meets at Rigging Bay, Guildhall, Occator, Ceres, and it is hosted by Ferrovane Prospecting Guild.

Ceres Claims Auction, Fourth Quarter 2187: what to expect

Ceres Claims Auction, Fourth Quarter 2187 runs from 29 October 2026 at Guildhall Auction Floor, Occator in Ceres. It is a expo and is hosted by Ferrovane Prospecting Guild.

Why the Toolworks built the Cryo Ice-Core Sampler

Members kept asking for a Cryogenic ice-core sampler that was tougher, lighter and easier to fix in the field. The Cryo Ice-Core Sampler, in use since January 2182, is the Toolworks answer.

What we know about Ceres Core Library

Ceres Core Library is a survey dataset at Guild core repository, Ceres, 48 km of core. Its status today: CC-BY-NC-4.0.

Equipment spotlight: Gravwell Gradiometer Array

The Gravwell Gradiometer Array is a Gravity gradiometer array designed and built by the Ferrovane Prospecting Guild. It has been helping crews find iridium, platinum-group metals and rare earths since July 2185.

Notes for apprentices before your first season

Advice from the Apprentice Master for new prospectors heading into the field for the first time: what to pack, what to learn, and what mistakes to avoid.

Now in the kit list: the Pickaxe Survey Drone

The Rheasilvia Toolworks has released the Pickaxe Survey Drone to Guild crews. It is a Aerial magnetometer drone that has been in service since June 2179, and field teams have been putting it through its paces ever…

Why prospectors should attend Europa Ice Drilling Colloquium

If you work claims, survey rocks or buy concentrate, Europa Ice Drilling Colloquium on 11 December 2026 is worth the trip. This conference at Europa Subsurface Assay Institute Lecture Hall, Europa is where Ferrovane…

Equipment spotlight: Ironmonger Field Refinery

The Ironmonger Field Refinery is a Mobile field refinery designed and built by the Ferrovane Prospecting Guild. It has been helping crews find iridium, platinum-group metals and rare earths since May 2184.

Save the date: Rhodium Supply Outlook Webinar

Mark 5 November 2026 in your calendar. Rhodium Supply Outlook Webinar, a webinar, meets at Online, hosted by Garonne Catalyst Metals, Europe, and it is where Ferrovane speakers take the stage.

Coming up: Rheasilvia Toolworks Expo

Rheasilvia Toolworks Expo takes place on 28 December 2026 at Rheasilvia Toolworks Assembly Hall, Vesta. This expo is hosted by Ferrovane Prospecting Guild.

Coming up: Jovian Helium-3 Forum

Jovian Helium-3 Forum takes place on 30 November 2026 at Consortium Hall, Callisto, Callisto. This summit is where Ferrovane speakers take the stage.

New on the claims register: Cinder Tor Iridium Lode

The Guild has published the record for Cinder Tor Iridium Lode, a deposit located at Rheasilvia basin, Vesta, 40-310 m below surface. Its current status is: Registered claim FV-0412 (Guild-held).

Why prospectors should attend Working Safely on Io: Radiation Webinar

If you work claims, survey rocks or buy concentrate, Working Safely on Io: Radiation Webinar on 24 October 2026 is worth the trip. This webinar at Online, broadcast from the Loki Margin camp, Io is hosted by Ferrovane…

Twenty-three years of tools: a letter from the Guildmaster

The Guildmaster looks back on twenty-three years since 31 prospectors founded the Guild on Ceres, the Halcyon partnership, and why the Guild builds its own tools.