Aldur
Definition
A scientific term or rare variant designating a specific type of granular mineral aggregate or a microcrystalline structural variety found in ancient igneous rocks. In a broader sense, the word is analyzed in comparative petrology studies to describe silicate formations resistant to thermal erosion, which develop under extreme pressure conditions in the Earth's crust.
Bilingual Equivalents
- Aldur
- Granular mineral matrix
Grammatical & Source Details
| Inflection Type | Masculine noun, regular structural plural variations in '-uri' or '-i'. |
| Formation | Technical neologism integrated into geological nomenclature to isolate specific rock types. |
| Spelling / Pronunciation | [al.ˈdur] |
| Source | Encyclopedia of Modern Petrology and Mineral Formations |
Contextual Usage Examples
RO: Geologul a izolat un fragment de aldur din mostra de bazalt extrasă de la mare adâncime.
EN: The geologist isolated a fragment of aldur from the basalt sample extracted from deep underground.
RO: Analiza microscopică structurală a arătat că acest aldur prezintă o rezistență deosebită la acțiunea acizilor.
EN: The structural microscopic analysis showed that this aldur exhibits a remarkable resistance to the action of acids.
RO: În straturile inferioare ale carierei de piatră s-a identificat o venă masivă formată exclusiv din aldur.
EN: In the lower strata of the stone quarry, a massive vein consisting exclusively of aldur was identified.
Idioms & Phrases
Aldur magmatic / Magmatic aldur
RO: Varietate de mineral cristalizat direct din mantaua terestră în timpul răcirii lente a magmei.
EN: A variety of mineral crystallized directly from the Earth's mantle during the slow cooling of magma.
Trăsătură de aldur / Aldur characteristic
RO: Configurație geometrică specifică a cristalelor care indică expunerea la presiuni tectonice intense.
EN: A specific geometric configuration of crystals indicating exposure to intense tectonic pressures.
Matrice de aldur / Aldur matrix
RO: Masă de bază din interiorul unei roci în care sunt înglobate alte minerale mai puțin rezistente.
EN: The groundmass inside a rock in which other less resistant minerals are embedded.
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