雙(shuang)河洞(dong)(dong)地(di)下(xia)(xia)裂縫長3.8公里,由雙(shuang)河溶(rong)(rong)洞(dong)(dong)群200多條支洞(dong)(dong)中的(de)三條組成,分(fen)別是(shi)(shi)(shi)大風(feng)洞(dong)(dong)、響水洞(dong)(dong)和(he)小風(feng)洞(dong)(dong),游覽時(shi)長為1個半小時(shi)。溶(rong)(rong)洞(dong)(dong)分(fen)上中下(xia)(xia)三層,并(bing)通(tong)過地(di)下(xia)(xia)河與其他溶(rong)(rong)洞(dong)(dong)貫通(tong)。洞(dong)(dong)內常年(nian)恒溫15攝(she)氏(shi)度,冬暖夏涼,空氣清新,是(shi)(shi)(shi)負氧(yang)離子含量很高的(de)一個天然(ran)氧(yang)吧。包含120處(chu)景點,罕見的(de)卷曲石(shi)(shi)、石(shi)(shi)花、地(di)下(xia)(xia)暗河、洞(dong)(dong)中瀑布、九曲十(shi)八彎洞(dong)(dong)道等喀(ka)斯特景觀(guan)豐富(fu),集(ji)觀(guan)賞性和(he)趣味性為一體。整(zheng)體上地(di)下(xia)(xia)裂縫是(shi)(shi)(shi)一個旱洞(dong)(dong),總(zong)體向南發(fa)育(yu),特點是(shi)(shi)(shi)洞(dong)(dong)道單一,且向南越來越寬。洞(dong)(dong)內有發(fa)育(yu)眾(zhong)多、造型優美的(de)次(ci)生碳酸鈣沉積景觀(guan)。
它(ta)是(shi)洪水期混合溶蝕作用在洞頂(ding)基巖上形(xing)(xing)成為窩(wo)穴,形(xing)(xing)如倒掛(gua)在洞頂(ding)的鍋(guo)穴,故名為天鍋(guo)。
溶(rong)洞(dong)里的(de)(de)石(shi)(shi)花(hua)(hua)有上千(qian)萬(wan)種,它們的(de)(de)形狀、大小(xiao)、顏(yan)色(se)都是(shi)(shi)不一樣的(de)(de),而且形態千(qian)姿百態,“石(shi)(shi)花(hua)(hua)”的(de)(de)形成條件是(shi)(shi)十分(fen)苛(ke)刻的(de)(de),它是(shi)(shi)溶(rong)洞(dong)壁或鐘乳石(shi)(shi)中滲透(tou)(tou)出的(de)(de)毛細水(shui)和(he)薄(bo)膜水(shui)中的(de)(de)碳(tan)酸(suan)鈣(gai)緩(huan)慢凝結成的(de)(de)晶體,有時(shi)要數百年才能(neng)增長一厘米,其(qi)化(hua)學成分(fen)是(shi)(shi)碳(tan)酸(suan)鈣(gai),與普通常見的(de)(de)方解(jie)(jie)(jie)石(shi)(shi)相(xiang)同,是(shi)(shi)方解(jie)(jie)(jie)石(shi)(shi)相(xiang)同性質的(de)(de)異晶體,石(shi)(shi)花(hua)(hua)的(de)(de)比重(zhong)和(he)硬度較(jiao)方解(jie)(jie)(jie)石(shi)(shi)略高(gao)。據透(tou)(tou)露,這種石(shi)(shi)花(hua)(hua)無(wu)論在國(guo)外還是(shi)(shi)國(guo)內,至今仍只發(fa)現于(yu)很少數的(de)(de)洞(dong)穴(xue)中。它的(de)(de)形成需(xu)要萬(wan)年以上的(de)(de)時(shi)間,并且面積(ji)不會很大。石(shi)(shi)花(hua)(hua)對(dui)研究古代(dai)氣候和(he)水(shui)文的(de)(de)變遷有極(ji)高(gao)的(de)(de)價值。
許多(duo)石筍組成的十(shi)八羅(luo)漢(han)拜觀(guan)音(yin)(yin)的自然景(jing)觀(guan),觀(guan)音(yin)(yin)菩(pu)薩和羅(luo)漢(han)的造(zao)型(xing)栩(xu)栩(xu)如(ru)生。在佛教里按(an)修行等(deng)(deng)級(ji),第一等(deng)(deng)是佛,第二等(deng)(deng)是菩(pu)薩,第三(san)等(deng)(deng)是羅(luo)漢(han)。十(shi)八羅(luo)漢(han)是釋迦牟尼佛的弟子,比觀(guan)音(yin)(yin)菩(pu)薩只(zhi)差一個修行等(deng)(deng)級(ji)。相(xiang)傳,有(you)一天(tian),張三(san)豐來到大風洞講經說法,直講得空中天(tian)花如(ru)雨,地上(shang)金蓮盛(sheng)開(kai),觀(guan)音(yin)(yin)菩(pu)薩聽了(le)也忍不住現(xian)了(le)真(zhen)身(shen),十(shi)八羅(luo)漢(han)見觀(guan)音(yin)(yin)都現(xian)了(le)真(zhen)身(shen),也立即(ji)趕來參(can)拜,于是才留(liu)下了(le)“十(shi)八羅(luo)漢(han)拜觀(guan)音(yin)(yin)”的神奇景(jing)觀(guan)。
溶洞(dong)(dong)頂(ding)有(you)特(te)(te)別(bie)平(ping)整的(de)形(xing)狀,原因是(shi)它(ta)(ta)的(de)形(xing)成(cheng)是(shi)由于地殼的(de)運動,后來通過水(shui)蝕作用所形(xing)成(cheng),比(bi)較特(te)(te)別(bie)的(de)是(shi)這石鐘乳(ru)的(de)線(xian),有(you)一條縫隙里(li)有(you)巖溶水(shui)會從里(li)面慢慢的(de)滲透,把它(ta)(ta)們分割開來,所以(yi)譽為(wei)破鏡重圓。這景在其它(ta)(ta)洞(dong)(dong)穴中(zhong)非常(chang)難以(yi)形(xing)成(cheng)的(de)。2008年中(zhong)央(yang)電視臺就是(shi)看(kan)中(zhong)此塊天花板,在洞(dong)(dong)里(li)實景拍攝了一個少(shao)兒節(jie)目——《探(tan)洞(dong)(dong)奇兵》。
在(zai)洞內會聽到滴答滴答的滴水(shui)的聲音(yin),這是(shi)鐘乳石在(zai)述說(shuo)屬于它們之(zhi)間的“悄悄話(hua)”,這里的水(shui)非常有靈氣(qi),不(bu)管是(shi)干(gan)旱還是(shi)漲水(shui),水(shui)位都始終保持不(bu)變(bian),所謂石鐘乳和石筍它們之(zhi)間有一(yi)個(ge)(ge)約(yue)定,一(yi)個(ge)(ge)從上往下生長,一(yi)個(ge)(ge)從下往上生長,再(zai)過幾億(yi)年它們就能在(zai)這里相遇(yu),因(yin)稱為“神(shen)泉(quan)玉露(lu)”。
景(jing)區(qu)(qu)內有一(yi)處景(jing)觀稱為(wei)(wei)無(wu)底洞(dong),又稱之(zhi)為(wei)(wei)“地心之(zhi)門(men)”。尚未(wei)明(ming)確它(ta)到底有多深、多長,但(dan)溶洞(dong)探險家明(ming)確它(ta)是(shi)通往重慶和貴州省桐梓縣方向,據(ju)說探洞(dong)專家在洞(dong)中探了13天,但(dan)后來因(yin)為(wei)(wei)補給(gei)的(de)原因(yin)不得不退(tui)回(hui),也(ye)為(wei)(wei)地下裂縫景(jing)區(qu)(qu)留(liu)下了一(yi)個(ge)待解之(zhi)謎。
景(jing)區有(you)一處可以容納(na)一千(qian)多人(ren)的景(jing)觀處,故(gu)也(ye)叫做“千(qian)人(ren)大(da)廳(ting)”,大(da)廳(ting)左方向有(you)一個舞臺,2015年8月29日中(zhong)國(guo)首屆(jie)溶洞詩會(hui)在(zai)此(ci)隆重舉(ju)行的(活(huo)動由世界詩人(ren)大(da)會(hui)中(zhong)國(guo)辦(ban)事處、貴州(zhou)清溪湖旅游開發(fa)有(you)限(xian)公司聯合舉(ju)辦(ban))。當(dang)時名人(ren)相(xiang)聚此(ci)地,其中(zhong)有(you)我(wo)國(guo)第(di)一部新(xin)歌劇《白毛女》現代詩人(ren)和劇作家賀敬(jing)之也(ye)到(dao)此(ci)參(can)加(jia)。這里(li)的景(jing)點也(ye)很多。
響(xiang)水洞(dong)(dong)(dong)(dong)(dong)是一個(ge)只能(neng)聽其聲不能(neng)見其身的(de)一個(ge)洞(dong)(dong)(dong)(dong)(dong),它的(de)洞(dong)(dong)(dong)(dong)(dong)道(dao)(dao)與一條較(jiao)低的(de)地下河連(lian)接。通過此(ci)洞(dong)(dong)(dong)(dong)(dong)50m深的(de)豎井后與位(wei)置較(jiao)高的(de)洞(dong)(dong)(dong)(dong)(dong)道(dao)(dao)連(lian)接,前(qian)行(xing)100m長的(de)狹窄洞(dong)(dong)(dong)(dong)(dong)道(dao)(dao),就(jiu)能(neng)達到(dao)雙河溶(rong)洞(dong)(dong)(dong)(dong)(dong)的(de)山王(wang)洞(dong)(dong)(dong)(dong)(dong),這也是雙河溶(rong)洞(dong)(dong)(dong)(dong)(dong)中(zhong)洞(dong)(dong)(dong)(dong)(dong)上有(you)(you)洞(dong)(dong)(dong)(dong)(dong)、洞(dong)(dong)(dong)(dong)(dong)下有(you)(you)洞(dong)(dong)(dong)(dong)(dong)、洞(dong)(dong)(dong)(dong)(dong)中(zhong)有(you)(you)洞(dong)(dong)(dong)(dong)(dong)、洞(dong)(dong)(dong)(dong)(dong)洞(dong)(dong)(dong)(dong)(dong)相(xiang)連(lian)的(de)明顯特(te)點。
長度大概在300米(mi)左(zuo)右。一(yi)線天(tian)的(de)(de)(de)形(xing)(xing)成(cheng)從地(di)(di)(di)質學角(jiao)度分析,是由于地(di)(di)(di)殼運動,巖石逐漸上升,經擠壓形(xing)(xing)成(cheng)一(yi)條縫隙。這條縫隙稱為地(di)(di)(di)質節理(li)。巖層(ceng)表面這一(yi)節理(li)縫隙容易受流水侵蝕,形(xing)(xing)成(cheng)了與節理(li)走向一(yi)致的(de)(de)(de)平直(zhi)狹窄的(de)(de)(de)深溝,也就形(xing)(xing)成(cheng)了“一(yi)線天(tian)”的(de)(de)(de)壯(zhuang)美景觀。
暗(an)河(he)又稱“伏流(liu)(liu)”,它指(zhi)地(di)(di)(di)(di)面以下(xia)(xia)(xia)(xia)的(de)(de)(de)(de)(de)河(he)流(liu)(liu),是喀斯(si)特地(di)(di)(di)(di)貌地(di)(di)(di)(di)下(xia)(xia)(xia)(xia)巖(yan)(yan)溶地(di)(di)(di)(di)貌的(de)(de)(de)(de)(de)一(yi)(yi)種(zhong),是由地(di)(di)(di)(di)下(xia)(xia)(xia)(xia)水(shui)(shui)匯集或地(di)(di)(di)(di)表(biao)水(shui)(shui)沿地(di)(di)(di)(di)下(xia)(xia)(xia)(xia)巖(yan)(yan)石裂隙(xi)滲入(ru)地(di)(di)(di)(di)下(xia)(xia)(xia)(xia),經過(guo)巖(yan)(yan)石溶蝕,坍塌以及(ji)水(shui)(shui)的(de)(de)(de)(de)(de)搬運而形成的(de)(de)(de)(de)(de)地(di)(di)(di)(di)下(xia)(xia)(xia)(xia)河(he)道。暗(an)河(he)一(yi)(yi)般有出口(kou)無入(ru)口(kou),它有自己(ji)的(de)(de)(de)(de)(de)補給、徑流(liu)(liu)和排(pai)泄系(xi)統。地(di)(di)(di)(di)下(xia)(xia)(xia)(xia)暗(an)河(he)是巖(yan)(yan)溶地(di)(di)(di)(di)區(qu)的(de)(de)(de)(de)(de)重(zhong)要水(shui)(shui)資源。暗(an)河(he)里(li)(li)有生物(wu),比如魚(yu)(yu)類,但是洞內的(de)(de)(de)(de)(de)魚(yu)(yu)和外面的(de)(de)(de)(de)(de)魚(yu)(yu)是不(bu)一(yi)(yi)樣的(de)(de)(de)(de)(de),它常年生存(cun)于黑(hei)暗(an)世界中(zhong),在(zai)洞外環境無法存(cun)活。一(yi)(yi)般有體內缺少色(se)素,視(shi)(shi)覺器官退化或消(xiao)失,新(xin)陳代謝慢等(deng)特點。所以它是透明的(de)(de)(de)(de)(de),也只能(neng)看到它的(de)(de)(de)(de)(de)內臟(zang),沒有視(shi)(shi)覺,憑的(de)(de)(de)(de)(de)是嗅覺,在(zai)這(zhe)條地(di)(di)(di)(di)下(xia)(xia)(xia)(xia)河(he)道里(li)(li)還有其它洞蝦、洞穴蝌蚪、大鯢(ni)(娃娃魚(yu)(yu))等(deng)珍貴生物(wu)。
太(tai)湖(hu)(hu)石(shi)(shi)(shi)作為收藏界的四(si)大奇異石(shi)(shi)(shi)之一,具有很(hen)高的收藏價值,又名窟窿(long)石(shi)(shi)(shi)、假山(shan)石(shi)(shi)(shi),是(shi)一種石(shi)(shi)(shi)灰巖(yan),因較早(zao)發現于太(tai)湖(hu)(hu)地區(qu)而得名。太(tai)湖(hu)(hu)石(shi)(shi)(shi)是(shi)由(you)于常年水(shui)浪的沖擊、沖刷、溶解,而產生許多的窩孔(kong)、穿孔(kong)、道孔(kong)而形成,千姿百(bai)態,通靈(ling)剔透,有很(hen)高的觀賞價值。特(te)點明顯:“皺、漏(lou)、瘦、透”。