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Companies & Organisations · · 5 min read
The clock that starts when ground is granted
An exploration permit is not only permission to look — it is a dated obligation to spend, report and show work, and the calendar it imposes explains a great deal of what explorers do.
Pending review
The short version
An exploration-stage mineral permit grants a company the right to look for minerals over defined ground, and in the same instrument obliges it to actually do so — within a fixed term, to a stated programme, with work reported annually. If the work is not done, the ground can be taken back. That obligation, not geology and not share price, is what sets the outer edge of an explorer's drilling calendar, because the deadline arrives whether or not the money or the drill rig has.
Permission and obligation in one document
It is natural to read a permit as a licence: the state says yes, and the company may now proceed at its own pace. Mining law does not generally work that way, and the reason is the ground itself: a permit ties an area up for as long as it runs. A state that leaves prospective ground tied up indefinitely, held by parties under no obligation to test it, ends up with a map covered in permits and no exploration happening on any of them.
So the permit that grants the right also imposes the duty, and the duty has a date on it. The specific mechanism varies by jurisdiction. Two examples, from either end of the industry, show the same architecture.
Spain: a three-year term and an annual plan
Under Spain's Ley de Minas, the instrument for this stage is the permiso de investigación — literally an investigation permit. Article 45 sets its length, and the whole of it matters: the permit is granted for the term applied for, which "no podrá ser superior a tres años" — may not exceed three years — but which "podrá ser prorrogado por tres años" by the Delegaciones Provinciales del Ministerio de Industria and, "excepcionalmente, para sucesivos períodos", by the Dirección General de Minas. Three years is the length of a term, not a ceiling on the permit: the article sets no outer limit on how many successive extensions may follow.
Within four months, the holder must lodge a plan de labores — the programme of work to be carried out in the first year — and a further plan every year after that (Articles 56.2 and 56.3). The permit is measured in cuadrículas mineras, a unit defined geometrically rather than metrically: the volume of indefinite depth whose surface base is bounded by two parallels and two meridians twenty sexagesimal seconds apart (Article 75.1).
And Article 85.4 provides for the permit to lapse — caducidad — where work is not begun or not carried out "en los plazos, forma e intensidad acordados": in the timeline, form and intensity agreed. The agreed programme is not an aspiration filed with the application. It is the standard the holder is later measured against.
Western Australia: spend, or explain, or lose it
The same architecture appears in a very different legal tradition. A Western Australian exploration licence carries minimum expenditure conditions for each expenditure year, and the state's own guidance is direct about what follows from missing them.
The safety valve is statutory: Section 102 of the Mining Act 1978 provides a mechanism for exemption from expenditure commitments for a given expenditure year. The grounds are enumerated and specific — title to the tenement is in dispute, time is required to evaluate work already done, the ground is unworkable, mining is prevented or restricted by political, environmental, force majeure, heritage or restrictive conditions, or any other reason the Minister considers sufficient.
If the exemption is refused, the department's guide states the consequence plainly: "The refusal of an exemption will result in the commencement of forfeiture proceedings by the department." For an exploration licence that means a Notice of Intention to Forfeit under Regulation 50, after which the Minister may take no further action, impose a penalty, or forfeit the tenement.
The permit does not ask whether the work was worth doing. It asks whether it was done, on time, as described.
What the clock does to a drilling programme
Once the obligation is understood, several behaviours that look strange from outside become legible.
Work tends to cluster near the end of a permit year rather than being spread evenly, because commitments are assessed by year. A programme may be designed to satisfy a commitment as well as to test a target, and the two objectives are not always served by the same holes. A company will sometimes drill ground it is less excited about, because that is the ground whose clock is running. And a permit renewal or a partial surrender can be a more consequential event in a company's year than an assay result, because a result changes what is known while a lapse changes what is owned.
The reporting obligation has a second effect. Because a work plan is lodged in advance and reported against afterwards, an explorer's public statements about what it intends to do next are frequently constrained by what it has already committed to a regulator — the programme is often less discretionary than a market announcement makes it sound.
None of this determines whether ground is prospective. It determines the order and the timing in which prospectivity gets tested, and it is the reason two companies holding equally promising ground can drill it on completely different schedules.
Related
- Exploration (Mining & Production) — the fieldwork the commitment pays for
- Regulation — the permitting regimes that grant and govern tenure
- Government Agencies — the bodies that administer permits and hear exemptions
- Major Projects — assets moving through this stage
- Mining Companies — the category explorers are trying to enter
Sources
- PRIMARYLey 22/1973, de 21 de julio, de Minas — BOE TEXTO CONSOLIDADO of an act of the Jefatura del Estado, BOE núm. 176, 24 July 1973; the consolidation is current only to 30 December 2010 (miteco.gob.es hosts the PDF but is not the publisher). The law runs three distinct regimes — permisos de exploración, permisos de investigación and concesiones de explotación; every article cited here governs the permiso de investigación. Article 45 — investigation permits granted for a term not exceeding three years, extendable by three years by the Delegaciones Provinciales del Ministerio de Industria and, exceptionally, for successive periods by the Dirección General de Minas, with no outer limit stated on the number of successive periods. Article 56.2 and 56.3 — plan de labores due within four months and annually thereafter. Article 75.1 — the cuadrícula minera defined as the volume of indefinite depth bounded by two parallels and two meridians twenty sexagesimal seconds apart. Article 85.4 — lapse for failure to begin or carry out work in the agreed timeline, form and intensity.
- PRIMARYGovernment of Western Australia, Department of Mines, Petroleum and Exploration — 'Guide on applying for exemption from expenditure conditions', last updated 17 June 2025. The page sets out TWO forfeiture tracks; this article cites only the exploration-licence and mining-lease track (Regulation 50 / Minister / ss.96A or 97), not the prospecting-licence track (Regulation 49 / Warden / s.96). Section 102 of the Mining Act 1978 as the exemption mechanism; the enumerated grounds including title in dispute, ground unworkable, and time required to evaluate work done; refusal of an exemption commencing forfeiture proceedings, with a Notice of Intention to Forfeit under Regulation 50 and the Minister able to take no further action, impose a penalty, or forfeit the tenement.
- UNVERIFIEDGAP — the maximum number of cuadrículas mineras a single Spanish investigation permit may cover was not confirmed. One consolidated text of Ley 22/1973 returns a three-hundred-cuadrícula ceiling in the article on permit extent; a second retrieval of the same law did not reproduce that limit for investigation permits specifically. No figure for permit size is stated in this article pending a reading of the article's current numbering in the BOE consolidated text.Non-public document · no public URL
