ASD instruments in action: A few examples
Near-infrared spectroscopy (NIR) can be of great help when it comes to defining fruit properties, assessing plant water relation or defining drill targets in porphyry gold deposit, to name a few examples.
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Non-destructive fruit testing
It’s becoming quite common to use NIR spectroscopy in fields or greenhouses to measure fruit sweetness. This is useful both for deciding when to harvest, but also when running a breeding program. The ability to rapidly and non-destructively select plants with the desired traits allows fruits on those plants to mature and have their seeds collected. A study goes beyond sweetness and measures pH – when eaten, the pH of a fruit or vegetable is closely related to the perceived tartness. In the paper listed below, the authors Yahaya, MatJafri, Aziz and Omar developed pH calibrations for mangoes. Others have shown that other fruit properties, such as crispness or firmness in apples, are also quantifiable using near-infrared spectroscopy.
Visible spectroscopy calibration transfer model in determining pH of Sala mangoes
Assessing plant water relations
Goetz Instrument Support Program participant Giovanni Rallo, along with co-authors Giuseppe Provenzano and Hamlyn G. Jones, presented a poster at the EGU 2015 conference in Vienna, Austria. The poster, which included research Giovanni completed with a FieldSpec® 4 spectroradiometer, was presented as part of the session: HS8.3.1-Challenges and perspectives in vadose zone research.
Miocene Project (Chile) Update
Cornerstone uses a TerraSpec® mineral analyzer to correlate high-temperature alunite and highly crystalline kaolinite alteration to prospective ore body in a high sulfidation epithermal system in northern Chile.
Miocene Project (Chile) Update
Explor’s Timmins Porcupine West Update
Teck Resources Limited uses a TerraSpec to define drill targets in Canadian porphyry gold deposits.
Their experts conducted TerraSpec (Short Wave Infrared instrument scan) analyses on the existing core to assist in mapping of alteration patterns and vectors to assist with diamond drill hole targeting. Work includes sampling, whole-rock geochemistry, magnetic susceptibility and TerraSpec scanning on holes TPW-10-09 and BRS 02-17 to characterize the deposit.
Explor’s Timmins Porcupine West Update
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