books degenerative stratification
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# social stratification
# Stratification as a factor
# the stratification of european society
# Social stratification and its relationship to society
# Stratification and class construction
# later stratification
# Stratification and stratification
# social structure and class
# stratovolcanoes
# stratigraphic volcanoes in Chile
# stratigraphic volcanoes in indonesia
# Stratovolcanoes in Iceland
# stratigraphic volcanoes in Kenya
# stratigraphic volcanoes in Japan
# stratigraphic volcanoes in Italy
# stratigraphic volcanoes in Turkey
# stratigraphic volcanoes in Argentina
# stratigraphic volcanoes in Colombia
# stratigraphic volcanoes in Ecuador
# stratigraphic volcanoes in Iran
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طبقية تدهورية (Info)
طبقية تدهورية:- تحرُّف الرواسب غير المتماسكة أو اللدنة بسبب التدهور تحت الماء، وقد ينحصر هذا الاضطراب في طبقات ثخانتها لا تتعدى 2 أو 5 سم، وينتاب طبقة واحدة أو نطاقا واحدا. (معجم الجيولوجيا)
