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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? 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 It happens when minerals carried by groundwater seep into the tiny pores of buried organic tissue, eventually replacing or filling the original material so completely that the object becomes a rock while retaining its original shape The word itself comes from the Greek
  • How Does Something Become Petrified? - Biology Insights
    Petrification is a natural process where organic materials are transformed into stone, creating a lasting record of ancient life and environments This geological phenomenon offers a unique window into Earth’s past, preserving the intricate details of once-living organisms
  • 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 ”
  • 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
  • PETRIFICATION Definition Meaning - Merriam-Webster
    The meaning of PETRIFICATION is petrifaction
  • What is Petrified Wood? - Library of Congress
    Petrification is a type of fossilization It happens when the organic materials of an organism are replaced by inorganic ones, essentially creating a stone replica To be more specific, petrification happens through two processes called “permineralization” and “replacement ”
  • What is Petrified Wood? How Does it Form? - Geology. com
    It forms when plant material is buried by sediment and protected from decay due to oxygen and organisms Then, groundwater rich in dissolved solids flows through the sediment, replacing the original plant material with silica, calcite, pyrite, or another inorganic material such as opal
  • 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 petrified wood, and how does wood turn to stone?
    Petrified wood is classified as a fossil, with some samples dating to hundreds of millions of years ago Essentially, the material is wood with its biological components replaced by minerals: mostly silica but sometimes fluorite, pyrite, or calcite





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