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DIC_ALTERATION (26 rows)
Dictionary table for processes (or results of processes) leading to modification of the fabric, composition, or other physical or chemical property of a pre-existing rock or sediment.


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Row CODE DESCRIPTION TRANSLATION STATUS DATE_ENTERED DATE_UPDATED
1 DOLOM  PROCESS THAT PARTLY OR WHOLLY CONVERTS AN ORIGINAL CALCIUM CARBONATE ROCK OR SEDIMENT INTO THE MINERAL DOLOMITE  DOLOMITISATION  10-JUN-04   
2 FLT_B  BRECCIA FORMED BY MECHANICAL FRACTURE AND BREAK UP OF ROCK ASSOCIATED WITH FAULTING (CATACLASIS)  FAULT_BRECCIA  10-JUN-04   
3 SH  ZONE ACROSS WHICH BLOCKS OF ROCK HAVE BEEN DISPLACED IN A FAULT-LIKE MANNER; THE ZONE MAY BE WITHOUT VISIBLE FRACTURES, OR CONTAIN A VERY LARGE NUMBER OF CLOSELY SPACED ANASTOMOSING FRACTURES  SHEARING  10-JUN-04  16-NOV-04 
4 HYD_TA  ALTERATION ASSOCIATED WITH HEATED OR SUPERHEATED WATER  HYDROTHERMAL_ALTERATION  10-JUN-04   
5 META_A  THERMAL METAMORPHISM OF ADJACENT COUNTRY ROCK ASSOCIATED WITH AN IGNEOUS INTRUSION  CONTACT_METAMORPHISM  10-JUN-04   
6 META_R  REGIONAL SCALE METAMORPHISM RESULTING FROM THE COMBINED ACTION OF HEAT AND 'PRESSURE' (BURIAL OR DYNAMIC), ASSOCIATED WITH OROGENESIS  REGIONAL_METAMORPHISM  10-JUN-04   
7 MIGMAT  PERVASIVE INJECTION OF GRANITIC MATERIAL INTO A HOST ROCK, RESULTING IN EXTENSIVE THERMAL ALTERA\TION AND DESTRUCTION OF PRE-EXISTING FABRIC  MIGMATISATION  10-JUN-04   
8 REDDEN  RED STAINING PROCESS ASSOCIATED WITH SECONDARY OXIDISATION OF IRON-BEARING MINERALS WITHIN A ROCK OR SEDIMENT  REDDENING  10-JUN-04   
9 PEDGEN  PROCESS OF SOIL FORMATION IN A SUB-AERIALLY EXPOSED ROCK OR SEDIMENT  PEDOGENESIS  10-JUN-04   
10 JOINT  PERVASIVE, NON-DISPLACIVE FRACTURING OF ROCK  JOINTING  10-JUN-04   
11 ALBIT  INTRODUCTION OF, OR SECONDARY REPLACEMENT (USUALLY OF CALCIC PLAGIOCLASE) BY THE MINERAL ALBITE  ALBITISATION  10-JUN-04   
12 BRECCN  BRECCIA FORMATION DUE TO MECHANICAL FRACTURE AND BREAK UP OF ROCK (CATACLASIS)  BRECCIATION  10-JUN-04   
13 MYLO  INTENSE FRACTURING AND SHEARING OF ROCK AT THE CRYSTALLINE SCALE, RESULTING IN A FINE-GRAINED, COMMONLY FOLIATED 'ROCK FLOUR'  MYLONITISATION  10-JUN-04   
14 P_MYLO  LESS INTENSE FORM OF MYLONITISATION, LEAVING VESTIGES OF THE ORIGINAL FABRIC IN THE DEFORMED ROCK. ALSO APPLIED TO MYLONITISATION ASSOCIATED WITH IGNEOUS INTRUSION CONTACTS.  PROTO-MYLONITISATION  10-JUN-04   
15 GN_V  PERVASIVE GRANITIC VEINING  GRANITE_VEINING  10-JUN-04   
16 PEG_V  PERVASIVE PEGMATITIC VEINING  PEGMATITE_VEINING  10-JUN-04   
17 PGGN_V  PERVASIVE GRANITE AND PEGMATITE VEINING  GRANITE-PEGMATITE_VEINING  10-JUN-04   
18 DI_V  PERVASIVE DIORITE VEINING  DIORITE_VEINING  10-JUN-04   
19 GD_V  PERVASIVE GRANODIORITE VEINING  GRANODIORITE_VEINING  10-JUN-04   
20 VQ_V  PERVASIVE QUARTZ VEINING  QUARTZ_VEINING  10-JUN-04   

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