<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">coquina</topic></authority><related type="broader"><topic>shelly limestone</topic></related><variant type="other"><topic>coquina limestone</topic></variant><variant type="other"><topic>coquina rock</topic></variant><variant type="other"><topic>limestone, coquina</topic></variant><variant type="other"><topic>rock, coquina</topic></variant><variant type="other"><topic>shellstone</topic></variant> <note xml:lang="en"><![CDATA[ A fossiliferous limestone composed of coarse shells or shell fragments which is loosely cemented by an infiltration of carbonate of lime; its name derives from the Spanish word for 'cockleshell.' Coquina is a detrital rock because it is formed from debris and is distinguished from coquinoid limestone which is formed in situ and is composed of shell material in a fine-grained matrix. ]]></note></mads>