ELECTRONIC MICROSCOPY PRODUCTS
TESCAN TIMA Petrography
The combined microanalysis and automated petrography solution for geoscientists
TESCAN TIMA provides a versatile solution for petrographers and geoscientists, allowing them to perform much of their analytical work in this single solution. TIMA produces high-quality and accurate chemical and mineral composition data, even for small element concentrations, to make rock classification and texture characterization quick and easy.
By utilizing elemental analysis to provide quantitative data for mineral identification, TIMA provides objective, reproducible data that can be trusted. And to ensure that TIMA operators can work and work efficiently, the TIMA operating system features integrated workflows for specific applications, along with a database of virtually every mineral species approved by the International Mineralogical Association (around 5,000 entries). to perform the task.
Technical specifications:
Benefits:
– Automatically identify and quantify minerals, even without much experience, using algorithmically generated or user-defined rules and the integrated mineralogical database.
– Analyze thin section samples and obtain reproducible data thanks to the 4-EDS detection system and TESCAN’s unique high-sensitivity spectral summation algorithm to detect low-abundance elements.
– Correlate high-resolution BSE images, elemental maps and cathodoluminescence in a single measurement.
– Identify specific mineral locations using TIMA’s automated minerals of interest search.
– Free up instrument time for interactive microanalysis by leveraging offline data processing capabilities with access to all elemental maps.
– Understand chemical variability in entire grain populations as well as the chemical composition of bulk samples using integrated EDS batch quantification.
– Estimate the presence of elements not detected by EDS (e.g. Li, Be) using TIMA data processing software to identify phases based on the proportions of other elements and stoichiometric recalculation.
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Applications
– Mineral Microanalysis: Resolve and identify fine grains using high spatial resolution imaging and elemental analysis.
– Thermobarometry: obtain the coordinates of selected minerals or pairs of minerals for subsequent analysis using probe electron microscopy (EPMA).
– Geochronology: automatic identification of minerals suitable for dating and detailed, automated cathodoluminescence images.
– Rock classification: Use a volumetric ratio of minerals to calculate the chemistry of rocks, including fine-grained or glass-bearing rocks.
– Automated search for petrogenetically significant phases based on their EDS signature or BSE brightness (REE, PGM, precious metals).
– Provenance studies applicable, for example, to mineral chemistry of the garnet or spinel group in sedimentary rocks or archaeological artifacts.
– Screening to select samples for subsequent analysis with other advanced techniques (EPMA, LA-ICP-MS).
– Quantification of porosity and pore association.
Need more information?
Download Tescan TIMA Petrography brochure
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