FR873910A - Improvements to underground deposit prospecting processes - Google Patents

Improvements to underground deposit prospecting processes

Info

Publication number
FR873910A
FR873910A FR873910DA FR873910A FR 873910 A FR873910 A FR 873910A FR 873910D A FR873910D A FR 873910DA FR 873910 A FR873910 A FR 873910A
Authority
FR
France
Prior art keywords
processes
underground deposit
prospecting
deposit prospecting
underground
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Eugene Mc Dermott
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR873910A publication Critical patent/FR873910A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
    • G01V9/007—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00 by detecting gases or particles representative of underground layers at or near the surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02—Ionisation chambers
    • H01J47/04—Capacitive ionisation chambers, e.g. the electrodes of which are used as electrometers

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Measurement Of Radiation (AREA)
FR873910D 1957-05-24 1940-02-08 Improvements to underground deposit prospecting processes Expired FR873910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE873911X 1957-05-24

Publications (1)

Publication Number Publication Date
FR873910A true FR873910A (en) 1942-07-23

Family

ID=6816654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873910D Expired FR873910A (en) 1957-05-24 1940-02-08 Improvements to underground deposit prospecting processes

Country Status (2)

Country Link
FR (1) FR873910A (en)
GB (1) GB873911A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568689A1 (en) * 1984-08-03 1986-02-07 Ganouna Cohen Gilbert Device for measuring radiation doses emitted by radioactive sources.

Also Published As

Publication number Publication date
GB873911A (en) 1961-08-02

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