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petrification    
n. 化石;发呆

化石;发呆

petrification
n 1: the process of turning some plant material into stone by
infiltration with water carrying mineral particles without
changing the original shape [synonym: {petrifaction},
{petrification}]

Petrification \Pet`ri*fi*ca"tion\, n. [Cf. F. p['e]trification.
See {Petrify}.]
1. See {Petrifaction}.
[1913 Webster]

2. Fig.: Obduracy; callousness. --Hallywell.
[1913 Webster]


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  • Petrifaction - Wikipedia
    In geology, petrifaction or petrification (from Ancient Greek πέτρα (pétra) 'rock, stone') is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals
  • What Is Petrification? Definition, Process, and Examples
    Petrification is a natural process that transforms organic material into stone, effectively preserving it over geological timescales It occurs when an organism’s original biological components are replaced by minerals, creating a fossilized replica
  • What Is Petrification? How Organic Material Turns to Stone
    Petrification is the natural process by which organic material, most commonly wood or bone, is gradually turned to stone
  • Petrification vs Fossilization: What Is The Difference?
    Petrification is the geological process in which organic material is turned to stone slowly over time This process is involved in many forms of fossilization, and leaves behind many stunning and beautifully preserved fossils
  • Permineralization and Replacement - U. S. National Park Service
    Petrification (also known as petrifaction) is a term sometimes used to describe permineralization and or replacement The word’s Latin roots (“petra” meaning “rock” and “facere” meaning “make”) reveal that petrification means to “turn into stone ”
  • Petrifaction - Wikiwand
    In geology, petrifaction or petrification (from Ancient Greek πέτρα (pétra)'rock, stone') is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals
  • Petrifaction - an overview | ScienceDirect Topics
    Petrifactions and permineralizations are two types of preservation that provide exceptional resolution of (parts of) organisms that became immersed in water with high concentrations of dissolved minerals (e g , silica, calcium carbonate) (Plates 1–5)
  • What Is The Astonishing Process Of Petrification? - Earth Science . . .
    Have you ever wondered how ancient organisms become preserved as fossils? In this fascinating video, we'll explain the process of petrification and how it turns once-living things into stone
  • Petrifaction Explained
    Petrification takes place through a combination of two similar processes: permineralization and replacement These processes create replicas of the original specimen that are similar down to the microscopic level
  • Fossil Forests: Finding Clues to Our Past, Fossil Forests: Finding . . .
    Petrified wood is usually formed in areas where there has been volcanic activity Lava does not create petrified wood since the lava is so hot that it would actually burn the wood Instead, it is the ash from volcanic eruptions that can cause wood to become petrified





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