Inclusion

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masculine noun / adjective (geology / mineralogy / petrography)

Definition

A fragment of an older rock or a pre-existing crystal incorporated into the mass of an igneous or metamorphic rock during the consolidation of magma; a mineral inclusion captured within a structurally different host medium. As an adjective, it describes a petrographic texture marked by the presence of such captive minerals or elements.

Bilingual Equivalents

  • Inclusion
  • Xenolith fragment

Grammatical & Source Details

Inflection Type Masculine noun with regular plural variations; can adapt as a variable descriptive adjective.
Formation Technical neologism adapted from French petrographic studies based on mineral trapping mechanisms.
Spelling / Pronunciation [an.ˈkluz]
Source Glossary of Igneous Rock Textures and Mineralogical Inclusions

Contextual Usage Examples

RO: Geologul a descoperit un ancluz de olivină de mari dimensiuni în interiorul rocii basaltice analizate.

EN: The geologist discovered a large olivine inclusion inside the analyzed basaltic rock.

RO: Prezența acestui ancluz indică faptul că magma a străbătut straturi geologice mult mai vechi în timpul ascensiunii.

EN: The presence of this inclusion indicates that the magma traversed much older geological layers during its ascent.

RO: Un eșantion petrografic cu textură ancluză oferă indicii prețioase despre presiunea și temperatura din adâncuri.

EN: A petrographic sample with an enclaved texture offers valuable clues about the pressure and temperature in the depths.

Idioms & Phrases

Ancluz magmatic / Magmatic inclusion / cognate xenolith

RO: Fragment de rocă cristalizat timpuriu din aceeași magmă și înglobat ulterior în masa topiturii reziduale.

EN: A rock fragment crystallized early from the same magma and subsequently embedded within the residual melt mass.

Structură ancluză / Inclusion structure / enclaved matrix

RO: Configurație texturală a unui mineral gazdă care conține numeroase micro-cristale captive din faze anterioare.

EN: A textural configuration of a host mineral containing numerous captive micro-crystals from prior phases.

Analiză de ancluz / Inclusion analysis / xenolith testing

RO: Metodă de laborator folosită pentru a determina compoziția chimică și vârsta elementelor captive într-o rocă.

EN: A laboratory method used to determine the chemical composition and age of trapped elements within a rock.

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